diff --git a/plans/so/integration-etsi-testing/config/aai-simulator-populate-data/cloud-region.json b/plans/so/integration-etsi-testing/config/aai-simulator-populate-data/cloud-region.json
new file mode 100644
index 0000000..f495a35
--- /dev/null
+++ b/plans/so/integration-etsi-testing/config/aai-simulator-populate-data/cloud-region.json
@@ -0,0 +1,10 @@
+{
+    "cloud-owner": "CloudOwner",
+    "cloud-region-id": "EtsiCloudRegion",
+    "cloud-type": "openstack",
+    "owner-defined-type": "OwnerType",
+    "cloud-region-version": "1.0",
+    "cloud-zone": "CloudZone",
+    "complex-name": "clli1",
+    "cloud-extra-info": ""
+}
diff --git a/plans/so/integration-etsi-testing/config/populate-aai-simulator.sh b/plans/so/integration-etsi-testing/config/populate-aai-simulator.sh
index 2a805d6..d96301c 100755
--- a/plans/so/integration-etsi-testing/config/populate-aai-simulator.sh
+++ b/plans/so/integration-etsi-testing/config/populate-aai-simulator.sh
@@ -56,6 +56,7 @@
  OWNING_ENTITY_JSON_FILE=$AAI_SIMULATOR_DATA_DIR/owning-entity.json
  LINE_OF_BUSINESS_JSON_FILE=$AAI_SIMULATOR_DATA_DIR/line-of-business.json
  PLATFORM_JSON_FILE=$AAI_SIMULATOR_DATA_DIR/platform.json
+ CLOUD_REGION_JSON_FILE=$AAI_SIMULATOR_DATA_DIR/cloud-region.json
  STATUS_CODE_ACCEPTED="202"
 
  echo "$SCRIPT_NAME $(current_timestamp): checking health of AAI Simulator"
@@ -110,6 +111,14 @@
      exit 1
  fi
 
+ echo "$SCRIPT_NAME $(current_timestamp): Adding Cloud Region"
+ status_code=$(curl -k --write-out %{http_code} --silent --output /dev/null -H "$BASIC_AUTHORIZATION_HEADER" -H "$ACCEPT_HEADER" -H "$CONTENT_TYPE_HEADER" $BASE_URL/cloud-infrastructure/cloud-regions/cloud-region/CloudOwner/EtsiCloudRegion -X PUT -d @$"$CLOUD_REGION_JSON_FILE")
+
+  if [[ "$status_code" -ne "$STATUS_CODE_ACCEPTED" ]] ; then
+     echo "$SCRIPT_NAME $(current_timestamp) ERROR: Unable to put Cloud Region data in AAI Simulator. Status code received: $status_code"
+     exit 1
+ fi
+
  echo "$SCRIPT_NAME $(current_timestamp): AAI Simulator Populated Successfully"
 }
 
diff --git a/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/main/java/org/onap/so/aaisimulator/controller/CloudRegionsController.java b/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/main/java/org/onap/so/aaisimulator/controller/CloudRegionsController.java
new file mode 100644
index 0000000..2b45499
--- /dev/null
+++ b/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/main/java/org/onap/so/aaisimulator/controller/CloudRegionsController.java
@@ -0,0 +1,128 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2019 Nordix Foundation.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+package org.onap.so.aaisimulator.controller;
+
+import static org.onap.so.aaisimulator.utils.Constants.CLOUD_REGION;
+import static org.onap.so.aaisimulator.utils.Constants.CLOUD_REGIONS;
+import static org.onap.so.aaisimulator.utils.RequestErrorResponseUtils.getRequestErrorResponseEntity;
+import static org.onap.so.aaisimulator.utils.RequestErrorResponseUtils.getResourceVersion;
+import java.util.Optional;
+import javax.servlet.http.HttpServletRequest;
+import javax.ws.rs.core.MediaType;
+import org.onap.aai.domain.yang.CloudRegion;
+import org.onap.aai.domain.yang.Relationship;
+import org.onap.so.aaisimulator.models.CloudRegionKey;
+import org.onap.so.aaisimulator.service.providers.CloudRegionCacheServiceProvider;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.ResponseEntity;
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.PutMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+
+/**
+ * @author Waqas Ikram (waqas.ikram@est.tech)
+ *
+ */
+@Controller
+@RequestMapping(path = CLOUD_REGIONS)
+public class CloudRegionsController {
+    private static final Logger LOGGER = LoggerFactory.getLogger(CloudRegionsController.class);
+
+    private final CloudRegionCacheServiceProvider cacheServiceProvider;
+
+    @Autowired
+    public CloudRegionsController(final CloudRegionCacheServiceProvider cacheServiceProvider) {
+        this.cacheServiceProvider = cacheServiceProvider;
+    }
+
+    @PutMapping(value = "{cloud-owner}/{cloud-region-id}",
+            consumes = {MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML},
+            produces = {MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML})
+    public ResponseEntity<?> putCloudRegion(@RequestBody final CloudRegion cloudRegion,
+            @PathVariable("cloud-owner") final String cloudOwner,
+            @PathVariable("cloud-region-id") final String cloudRegionId, final HttpServletRequest request) {
+
+        final CloudRegionKey key = new CloudRegionKey(cloudOwner, cloudRegionId);
+
+        if (key.isValid()) {
+            LOGGER.info("Will add CloudRegion to cache with key 'key': {} ....", key);
+            if (cloudRegion.getResourceVersion() == null || cloudRegion.getResourceVersion().isEmpty()) {
+                cloudRegion.setResourceVersion(getResourceVersion());
+            }
+            cacheServiceProvider.putCloudRegion(key, cloudRegion);
+            return ResponseEntity.accepted().build();
+        }
+
+        LOGGER.error("Unable to add CloudRegion in cache because of invalid key {}", key);
+        return getRequestErrorResponseEntity(request, CLOUD_REGION);
+    }
+
+    @GetMapping(value = "{cloud-owner}/{cloud-region-id}",
+            produces = {MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML})
+    public ResponseEntity<?> getCloudRegion(@PathVariable("cloud-owner") final String cloudOwner,
+            @PathVariable("cloud-region-id") final String cloudRegionId,
+            @RequestParam(name = "depth", required = false) final Integer depth, final HttpServletRequest request) {
+        final CloudRegionKey key = new CloudRegionKey(cloudOwner, cloudRegionId);
+        LOGGER.info("Retrieving CloudRegion using key : {} with depth: {}...", key, depth);
+        if (key.isValid()) {
+            final Optional<CloudRegion> optional = cacheServiceProvider.getCloudRegion(key);
+            if (optional.isPresent()) {
+                final CloudRegion cloudRegion = optional.get();
+                LOGGER.info("found CloudRegion {} in cache", cloudRegion);
+                return ResponseEntity.ok(cloudRegion);
+            }
+        }
+        LOGGER.error("Unable to find CloudRegion in cache using {}", key);
+        return getRequestErrorResponseEntity(request, CLOUD_REGION);
+    }
+
+    @PutMapping(value = "{cloud-owner}/{cloud-region-id}/relationship-list/relationship",
+            consumes = {MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML},
+            produces = {MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML})
+    public ResponseEntity<?> putRelationShip(@PathVariable("cloud-owner") final String cloudOwner,
+            @PathVariable("cloud-region-id") final String cloudRegionId, @RequestBody final Relationship relationship,
+            final HttpServletRequest request) {
+        LOGGER.info("Will add {} relationship to : {} ...", relationship.getRelatedTo());
+
+        final CloudRegionKey key = new CloudRegionKey(cloudOwner, cloudRegionId);
+
+        final Optional<Relationship> optional =
+                cacheServiceProvider.addRelationShip(key, relationship, request.getRequestURI());
+
+        if (optional.isPresent()) {
+            final Relationship resultantRelationship = optional.get();
+            LOGGER.info("Relationship add, sending resultant relationship: {} in response ...", resultantRelationship);
+            return ResponseEntity.accepted().body(resultantRelationship);
+        }
+
+        LOGGER.error("Couldn't add {} relationship for 'key': {} ...", relationship.getRelatedTo(), key);
+
+        return getRequestErrorResponseEntity(request, CLOUD_REGION);
+
+    }
+
+
+}
diff --git a/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/main/java/org/onap/so/aaisimulator/controller/LinesOfBusinessController.java b/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/main/java/org/onap/so/aaisimulator/controller/LinesOfBusinessController.java
index 173b109..ac1ad8c 100644
--- a/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/main/java/org/onap/so/aaisimulator/controller/LinesOfBusinessController.java
+++ b/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/main/java/org/onap/so/aaisimulator/controller/LinesOfBusinessController.java
@@ -73,7 +73,7 @@
     }
 
 
-    @GetMapping(value = "/{line-of-business-name}", produces = {MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML})
+    @GetMapping(value = "{line-of-business-name}", produces = {MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML})
     public ResponseEntity<?> getLineOfBusiness(@PathVariable("line-of-business-name") final String lineOfBusinessName,
             final HttpServletRequest request) {
         LOGGER.info("retrieving Platform for 'platform-name': {} ...", lineOfBusinessName);
@@ -83,7 +83,7 @@
             LOGGER.info("found LineOfBusiness {} in cache", platform);
             return ResponseEntity.ok(platform);
         }
-        LOGGER.error("Unable to find LineOfBusiness in cahce using {}", lineOfBusinessName);
+        LOGGER.error("Unable to find LineOfBusiness in cache using {}", lineOfBusinessName);
         return getRequestErrorResponseEntity(request, LINE_OF_BUSINESS);
     }
 
diff --git a/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/main/java/org/onap/so/aaisimulator/models/CloudRegionKey.java b/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/main/java/org/onap/so/aaisimulator/models/CloudRegionKey.java
new file mode 100644
index 0000000..d49a1a3
--- /dev/null
+++ b/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/main/java/org/onap/so/aaisimulator/models/CloudRegionKey.java
@@ -0,0 +1,79 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2019 Nordix Foundation.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+package org.onap.so.aaisimulator.models;
+
+import java.io.Serializable;
+import org.springframework.util.ObjectUtils;
+
+/**
+ * @author Waqas Ikram (waqas.ikram@est.tech)
+ *
+ */
+public class CloudRegionKey implements Serializable {
+
+    private static final long serialVersionUID = 6175094050996035737L;
+
+    private final String cloudOwner;
+
+    private final String cloudRegionId;
+
+    public CloudRegionKey(final String cloudOwner, final String cloudRegionId) {
+        this.cloudOwner = cloudOwner;
+        this.cloudRegionId = cloudRegionId;
+    }
+
+    /**
+     * @return the cloudOwner
+     */
+    public String getCloudOwner() {
+        return cloudOwner;
+    }
+
+    /**
+     * @return the cloudRegionId
+     */
+    public String getCloudRegionId() {
+        return cloudRegionId;
+    }
+
+    public boolean isValid() {
+        return cloudOwner != null && !cloudOwner.isEmpty() && cloudRegionId != null && !cloudRegionId.isEmpty();
+    }
+
+    @Override
+    public int hashCode() {
+        final int prime = 31;
+        int result = 1;
+        result = prime * result + (ObjectUtils.nullSafeHashCode(cloudOwner));
+        result = prime * result + (ObjectUtils.nullSafeHashCode(cloudRegionId));
+
+        return result;
+    }
+
+    @Override
+    public boolean equals(final Object obj) {
+        if (obj instanceof CloudRegionKey) {
+            final CloudRegionKey other = (CloudRegionKey) obj;
+            return ObjectUtils.nullSafeEquals(cloudOwner, other.cloudOwner)
+                    && ObjectUtils.nullSafeEquals(cloudRegionId, other.cloudRegionId);
+        }
+        return false;
+    }
+}
diff --git a/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/main/java/org/onap/so/aaisimulator/service/providers/CloudRegionCacheServiceProvider.java b/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/main/java/org/onap/so/aaisimulator/service/providers/CloudRegionCacheServiceProvider.java
new file mode 100644
index 0000000..a10a8ac
--- /dev/null
+++ b/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/main/java/org/onap/so/aaisimulator/service/providers/CloudRegionCacheServiceProvider.java
@@ -0,0 +1,39 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2019 Nordix Foundation.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+package org.onap.so.aaisimulator.service.providers;
+
+import java.util.Optional;
+import org.onap.aai.domain.yang.CloudRegion;
+import org.onap.aai.domain.yang.Relationship;
+import org.onap.so.aaisimulator.models.CloudRegionKey;
+
+/**
+ * @author Waqas Ikram (waqas.ikram@est.tech)
+ *
+ */
+public interface CloudRegionCacheServiceProvider extends Clearable {
+
+    void putCloudRegion(final CloudRegionKey cloudRegionKey, final CloudRegion cloudRegion);
+
+    Optional<CloudRegion> getCloudRegion(final CloudRegionKey cloudRegionKey);
+
+    Optional<Relationship> addRelationShip(final CloudRegionKey key, final Relationship relationship,
+            final String requestUri);
+}
diff --git a/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/main/java/org/onap/so/aaisimulator/service/providers/CloudRegionCacheServiceProviderImpl.java b/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/main/java/org/onap/so/aaisimulator/service/providers/CloudRegionCacheServiceProviderImpl.java
new file mode 100644
index 0000000..41422c4
--- /dev/null
+++ b/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/main/java/org/onap/so/aaisimulator/service/providers/CloudRegionCacheServiceProviderImpl.java
@@ -0,0 +1,132 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2019 Nordix Foundation.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+package org.onap.so.aaisimulator.service.providers;
+
+import static org.onap.so.aaisimulator.utils.CacheName.CLOUD_REGION_CACHE;
+import static org.onap.so.aaisimulator.utils.Constants.CLOUD_REGION;
+import static org.onap.so.aaisimulator.utils.Constants.CLOUD_REGION_CLOUD_OWNER;
+import static org.onap.so.aaisimulator.utils.Constants.CLOUD_REGION_CLOUD_REGION_ID;
+import static org.onap.so.aaisimulator.utils.Constants.CLOUD_REGION_OWNER_DEFINED_TYPE;
+import static org.onap.so.aaisimulator.utils.Constants.LOCATED_IN;
+import java.util.List;
+import java.util.Optional;
+import org.onap.aai.domain.yang.CloudRegion;
+import org.onap.aai.domain.yang.RelatedToProperty;
+import org.onap.aai.domain.yang.Relationship;
+import org.onap.aai.domain.yang.RelationshipData;
+import org.onap.aai.domain.yang.RelationshipList;
+import org.onap.so.aaisimulator.models.CloudRegionKey;
+import org.onap.so.simulator.cache.provider.AbstractCacheServiceProvider;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.cache.Cache;
+import org.springframework.cache.CacheManager;
+import org.springframework.stereotype.Service;
+
+/**
+ * @author Waqas Ikram (waqas.ikram@est.tech)
+ *
+ */
+@Service
+public class CloudRegionCacheServiceProviderImpl extends AbstractCacheServiceProvider
+        implements CloudRegionCacheServiceProvider {
+
+    private static final Logger LOGGER = LoggerFactory.getLogger(CloudRegionCacheServiceProviderImpl.class);
+
+
+    @Autowired
+    public CloudRegionCacheServiceProviderImpl(final CacheManager cacheManager) {
+        super(cacheManager);
+    }
+
+    @Override
+    public void putCloudRegion(final CloudRegionKey cloudRegionKey, final CloudRegion cloudRegion) {
+        LOGGER.info("Adding CloudRegion to cache with key: {} ...", cloudRegionKey);
+        final Cache cache = getCache(CLOUD_REGION_CACHE.getName());
+        cache.put(cloudRegionKey, cloudRegion);
+
+    }
+
+    @Override
+    public Optional<CloudRegion> getCloudRegion(final CloudRegionKey cloudRegionKey) {
+        LOGGER.info("getting CloudRegion from cache using key: {}", cloudRegionKey);
+        final Cache cache = getCache(CLOUD_REGION_CACHE.getName());
+        final CloudRegion value = cache.get(cloudRegionKey, CloudRegion.class);
+        if (value != null) {
+            return Optional.of(value);
+        }
+        LOGGER.error("Unable to find CloudRegion in cache using key:{} ", cloudRegionKey);
+        return Optional.empty();
+    }
+
+    @Override
+    public Optional<Relationship> addRelationShip(final CloudRegionKey key, final Relationship relationship,
+            final String requestUri) {
+        final Optional<CloudRegion> optional = getCloudRegion(key);
+        if (optional.isPresent()) {
+            final CloudRegion cloudRegion = optional.get();
+            RelationshipList relationshipList = cloudRegion.getRelationshipList();
+            if (relationshipList == null) {
+                relationshipList = new RelationshipList();
+                cloudRegion.setRelationshipList(relationshipList);
+            }
+            relationshipList.getRelationship().add(relationship);
+
+            LOGGER.info("Successfully added relation to CloudRegion with key: {}", key);
+
+
+            final Relationship resultantRelationship = new Relationship();
+            resultantRelationship.setRelatedTo(CLOUD_REGION);
+            resultantRelationship.setRelationshipLabel(LOCATED_IN);
+            resultantRelationship.setRelatedLink(requestUri);
+
+            final List<RelationshipData> relationshipDataList = resultantRelationship.getRelationshipData();
+            relationshipDataList.add(getRelationshipData(CLOUD_REGION_CLOUD_OWNER, cloudRegion.getCloudOwner()));
+            relationshipDataList.add(getRelationshipData(CLOUD_REGION_CLOUD_REGION_ID, cloudRegion.getCloudRegionId()));
+
+            final List<RelatedToProperty> relatedToPropertyList = resultantRelationship.getRelatedToProperty();
+
+            final RelatedToProperty relatedToProperty = new RelatedToProperty();
+            relatedToProperty.setPropertyKey(CLOUD_REGION_OWNER_DEFINED_TYPE);
+            relatedToProperty.setPropertyValue(cloudRegion.getOwnerDefinedType());
+            relatedToPropertyList.add(relatedToProperty);
+
+            return Optional.of(resultantRelationship);
+
+        }
+        LOGGER.error("Unable to find CloudRegion using key: {} ...", key);
+        return Optional.empty();
+    }
+
+    private RelationshipData getRelationshipData(final String key, final String value) {
+        final RelationshipData relationshipData = new RelationshipData();
+        relationshipData.setRelationshipKey(key);
+        relationshipData.setRelationshipValue(value);
+        return relationshipData;
+    }
+
+    @Override
+    public void clearAll() {
+        clearCahce(CLOUD_REGION_CACHE.getName());
+
+    }
+
+}
diff --git a/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/main/java/org/onap/so/aaisimulator/utils/CacheName.java b/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/main/java/org/onap/so/aaisimulator/utils/CacheName.java
index 7f804c9..1874b83 100644
--- a/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/main/java/org/onap/so/aaisimulator/utils/CacheName.java
+++ b/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/main/java/org/onap/so/aaisimulator/utils/CacheName.java
@@ -31,7 +31,8 @@
     GENERIC_VNF_CACHE("generic-vnf-cache"),
     OWNING_ENTITY_CACHE("owning-entity-cache"),
     PLATFORM_CACHE("platform-cache"),
-    LINES_OF_BUSINESS_CACHE("lines-of-business-cache");
+    LINES_OF_BUSINESS_CACHE("lines-of-business-cache"),
+    CLOUD_REGION_CACHE("cloud-region-cache");
 
     private String name;
 
diff --git a/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/main/java/org/onap/so/aaisimulator/utils/Constants.java b/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/main/java/org/onap/so/aaisimulator/utils/Constants.java
index 29b3af9..979da6b 100644
--- a/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/main/java/org/onap/so/aaisimulator/utils/Constants.java
+++ b/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/main/java/org/onap/so/aaisimulator/utils/Constants.java
@@ -31,6 +31,10 @@
 
     public static final String BUSINESS_URL = BASE_URL + "/business";
 
+    public static final String CLOUD_INFRASTRUCTURE_URL = BASE_URL + "/cloud-infrastructure";
+
+    public static final String CLOUD_REGIONS = CLOUD_INFRASTRUCTURE_URL + "/cloud-regions/cloud-region/";
+
     public static final String CUSTOMER_URL = BUSINESS_URL + "/customers/customer/";
 
     public static final String PROJECT_URL = BUSINESS_URL + "/projects/project/";
@@ -91,6 +95,17 @@
 
     public static final String SERVICE_INSTANCE_SERVICE_INSTANCE_NAME = "service-instance.service-instance-name";
 
+    public static final String CLOUD_REGION_OWNER_DEFINED_TYPE = "cloud-region.owner-defined-type";
+
+    public static final String CLOUD_REGION_CLOUD_REGION_ID = "cloud-region.cloud-region-id";
+
+    public static final String CLOUD_REGION_CLOUD_OWNER = "cloud-region.cloud-owner";
+
+    public static final String LOCATED_IN = "org.onap.relationships.inventory.LocatedIn";
+
+    public static final String CLOUD_REGION = "cloud-region";
+
+
     private Constants() {}
 
 }
diff --git a/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/test/java/org/onap/so/aaisimulator/controller/AbstractSpringBootTest.java b/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/test/java/org/onap/so/aaisimulator/controller/AbstractSpringBootTest.java
new file mode 100644
index 0000000..18bd925
--- /dev/null
+++ b/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/test/java/org/onap/so/aaisimulator/controller/AbstractSpringBootTest.java
@@ -0,0 +1,53 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2019 Nordix Foundation.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+package org.onap.so.aaisimulator.controller;
+
+import org.junit.runner.RunWith;
+import org.onap.so.aaisimulator.utils.TestRestTemplateService;
+import org.onap.so.aaisimulator.utils.TestUtils;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.boot.test.context.SpringBootTest.WebEnvironment;
+import org.springframework.boot.web.server.LocalServerPort;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.test.context.ActiveProfiles;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+
+/**
+ * @author Waqas Ikram (waqas.ikram@est.tech)
+ *
+ */
+@RunWith(SpringJUnit4ClassRunner.class)
+@ActiveProfiles("test")
+@SpringBootTest(webEnvironment = WebEnvironment.RANDOM_PORT)
+@Configuration
+public abstract class AbstractSpringBootTest {
+
+    @LocalServerPort
+    private int port;
+
+    @Autowired
+    protected TestRestTemplateService testRestTemplateService;
+
+    public String getUrl(final String... urls) {
+        return TestUtils.getUrl(port, urls);
+    }
+
+}
diff --git a/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/test/java/org/onap/so/aaisimulator/controller/BusinessControllerTest.java b/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/test/java/org/onap/so/aaisimulator/controller/BusinessControllerTest.java
index 438763e..fd3191d 100644
--- a/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/test/java/org/onap/so/aaisimulator/controller/BusinessControllerTest.java
+++ b/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/test/java/org/onap/so/aaisimulator/controller/BusinessControllerTest.java
@@ -44,7 +44,6 @@
 import java.util.UUID;
 import org.junit.After;
 import org.junit.Test;
-import org.junit.runner.RunWith;
 import org.onap.aai.domain.yang.Customer;
 import org.onap.aai.domain.yang.GenericVnf;
 import org.onap.aai.domain.yang.GenericVnfs;
@@ -56,40 +55,23 @@
 import org.onap.so.aaisimulator.utils.RequestError;
 import org.onap.so.aaisimulator.utils.RequestErrorResponseUtils;
 import org.onap.so.aaisimulator.utils.ServiceException;
-import org.onap.so.aaisimulator.utils.TestRestTemplateService;
 import org.onap.so.aaisimulator.utils.TestUtils;
 import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.boot.test.context.SpringBootTest;
-import org.springframework.boot.test.context.SpringBootTest.WebEnvironment;
-import org.springframework.boot.web.server.LocalServerPort;
-import org.springframework.context.annotation.Configuration;
 import org.springframework.http.HttpHeaders;
 import org.springframework.http.HttpMethod;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
-import org.springframework.test.context.ActiveProfiles;
-import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
 
 /**
  * @author waqas.ikram@ericsson.com
  *
  */
-@RunWith(SpringJUnit4ClassRunner.class)
-@ActiveProfiles("test")
-@SpringBootTest(webEnvironment = WebEnvironment.RANDOM_PORT)
-@Configuration
-public class BusinessControllerTest {
+public class BusinessControllerTest extends AbstractSpringBootTest {
 
     private static final String FIREWALL_SERVICE_TYPE = "Firewall";
 
     private static final String ORCHESTRATION_STATUS = "Active";
 
-    @LocalServerPort
-    private int port;
-
-    @Autowired
-    private TestRestTemplateService testRestTemplateService;
-
     @Autowired
     private CustomerCacheServiceProvider cacheServiceProvider;
 
@@ -361,7 +343,7 @@
 
         assertEquals(HttpStatus.ACCEPTED, responseEntity2.getStatusCode());
 
-        final String genericVnfUrl = TestUtils.getBaseUrl(port) + GENERIC_VNF_URL + VNF_ID;
+        final String genericVnfUrl = getUrl(GENERIC_VNF_URL, VNF_ID);
         final ResponseEntity<Void> genericVnfResponse =
                 testRestTemplateService.invokeHttpPut(genericVnfUrl, TestUtils.getGenericVnf(), Void.class);
         assertEquals(HttpStatus.ACCEPTED, genericVnfResponse.getStatusCode());
@@ -392,9 +374,4 @@
         assertEquals(HttpStatus.ACCEPTED, response.getStatusCode());
     }
 
-
-    private String getUrl(final String... urls) {
-        return TestUtils.getUrl(port, urls);
-    }
-
 }
diff --git a/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/test/java/org/onap/so/aaisimulator/controller/CloudRegionsControllerTest.java b/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/test/java/org/onap/so/aaisimulator/controller/CloudRegionsControllerTest.java
new file mode 100644
index 0000000..2118b6d
--- /dev/null
+++ b/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/test/java/org/onap/so/aaisimulator/controller/CloudRegionsControllerTest.java
@@ -0,0 +1,146 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2019 Nordix Foundation.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+package org.onap.so.aaisimulator.controller;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
+import static org.onap.so.aaisimulator.utils.TestConstants.CLOUD_OWNER_NAME;
+import static org.onap.so.aaisimulator.utils.TestConstants.CLOUD_REGION_NAME;
+import static org.onap.so.aaisimulator.utils.TestConstants.RELATIONSHIP_URL;
+import java.io.IOException;
+import java.util.List;
+import java.util.Optional;
+import org.junit.After;
+import org.junit.Test;
+import org.onap.aai.domain.yang.CloudRegion;
+import org.onap.aai.domain.yang.RelatedToProperty;
+import org.onap.aai.domain.yang.Relationship;
+import org.onap.aai.domain.yang.RelationshipData;
+import org.onap.so.aaisimulator.models.CloudRegionKey;
+import org.onap.so.aaisimulator.service.providers.CloudRegionCacheServiceProvider;
+import org.onap.so.aaisimulator.utils.Constants;
+import org.onap.so.aaisimulator.utils.TestConstants;
+import org.onap.so.aaisimulator.utils.TestUtils;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+
+/**
+ * @author Waqas Ikram (waqas.ikram@est.tech)
+ *
+ */
+public class CloudRegionsControllerTest extends AbstractSpringBootTest {
+
+    private static final CloudRegionKey CLOUD_REGION_KEY = new CloudRegionKey(CLOUD_OWNER_NAME, CLOUD_REGION_NAME);
+
+    @Autowired
+    private CloudRegionCacheServiceProvider cloudRegionCacheServiceProvider;
+
+    @After
+    public void after() {
+        cloudRegionCacheServiceProvider.clearAll();
+    }
+
+    @Test
+    public void test_putCloudRegion_successfullyAddedToCache() throws Exception {
+        final String url = getUrl(Constants.CLOUD_REGIONS, CLOUD_OWNER_NAME, "/" + CLOUD_REGION_NAME);
+
+        invokeCloudRegionHttpPutEndPointAndAssertResponse(url);
+
+        final ResponseEntity<CloudRegion> response = testRestTemplateService.invokeHttpGet(url, CloudRegion.class);
+        assertEquals(HttpStatus.OK, response.getStatusCode());
+
+        assertTrue(response.hasBody());
+
+        final CloudRegion cloudRegion = response.getBody();
+        assertEquals(CLOUD_OWNER_NAME, cloudRegion.getCloudOwner());
+        assertEquals(CLOUD_REGION_NAME, cloudRegion.getCloudRegionId());
+
+        assertNotNull("ResourceVersion should not be null", cloudRegion.getResourceVersion());
+
+    }
+
+    @Test
+    public void test_getCloudRegionWithDepthValue_shouldReturnMatchedCloudRegion() throws Exception {
+        final String url = getUrl(Constants.CLOUD_REGIONS, CLOUD_OWNER_NAME, "/" + CLOUD_REGION_NAME);
+
+        invokeCloudRegionHttpPutEndPointAndAssertResponse(url);
+
+        final ResponseEntity<CloudRegion> response =
+                testRestTemplateService.invokeHttpGet(url + "?depth=2", CloudRegion.class);
+        assertEquals(HttpStatus.OK, response.getStatusCode());
+
+        assertTrue(response.hasBody());
+
+        final CloudRegion cloudRegion = response.getBody();
+        assertEquals(CLOUD_OWNER_NAME, cloudRegion.getCloudOwner());
+        assertEquals(CLOUD_REGION_NAME, cloudRegion.getCloudRegionId());
+
+        assertNotNull("ResourceVersion should not be null", cloudRegion.getResourceVersion());
+
+    }
+
+    @Test
+    public void test_putGenericVnfRelationShipToPlatform_successfullyAddedToCache() throws Exception {
+
+        final String url = getUrl(Constants.CLOUD_REGIONS, CLOUD_OWNER_NAME, "/" + CLOUD_REGION_NAME);
+
+        invokeCloudRegionHttpPutEndPointAndAssertResponse(url);
+
+        final String relationShipUrl =
+                getUrl(Constants.CLOUD_REGIONS, CLOUD_OWNER_NAME, "/" + CLOUD_REGION_NAME, RELATIONSHIP_URL);
+
+        final ResponseEntity<Relationship> responseEntity = testRestTemplateService.invokeHttpPut(relationShipUrl,
+                TestUtils.getGenericVnfRelationShip(), Relationship.class);
+        assertEquals(HttpStatus.ACCEPTED, responseEntity.getStatusCode());
+
+        final Optional<CloudRegion> optional = cloudRegionCacheServiceProvider.getCloudRegion(CLOUD_REGION_KEY);
+        assertTrue(optional.isPresent());
+
+        final CloudRegion actual = optional.get();
+
+        assertNotNull(actual.getRelationshipList());
+        final List<Relationship> relationshipList = actual.getRelationshipList().getRelationship();
+        assertFalse("Relationship list should not be empty", relationshipList.isEmpty());
+        final Relationship relationship = relationshipList.get(0);
+
+        assertFalse("RelationshipData list should not be empty", relationship.getRelationshipData().isEmpty());
+        assertFalse("RelatedToProperty list should not be empty", relationship.getRelatedToProperty().isEmpty());
+
+        final RelationshipData relationshipData = relationship.getRelationshipData().get(0);
+        assertEquals(Constants.GENERIC_VNF_VNF_ID, relationshipData.getRelationshipKey());
+        assertEquals(TestConstants.VNF_ID, relationshipData.getRelationshipValue());
+
+        final RelatedToProperty relatedToProperty = relationship.getRelatedToProperty().get(0);
+        assertEquals(Constants.GENERIC_VNF_VNF_NAME, relatedToProperty.getPropertyKey());
+        assertEquals(TestConstants.GENERIC_VNF_NAME, relatedToProperty.getPropertyValue());
+
+    }
+
+
+    private void invokeCloudRegionHttpPutEndPointAndAssertResponse(final String url) throws IOException {
+        final ResponseEntity<Void> responseEntity =
+                testRestTemplateService.invokeHttpPut(url, TestUtils.getCloudRegion(), Void.class);
+        assertEquals(HttpStatus.ACCEPTED, responseEntity.getStatusCode());
+    }
+
+}
diff --git a/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/test/java/org/onap/so/aaisimulator/controller/GenericVnfsControllerTest.java b/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/test/java/org/onap/so/aaisimulator/controller/GenericVnfsControllerTest.java
index 8412097..ba5c85e 100644
--- a/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/test/java/org/onap/so/aaisimulator/controller/GenericVnfsControllerTest.java
+++ b/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/test/java/org/onap/so/aaisimulator/controller/GenericVnfsControllerTest.java
@@ -23,6 +23,8 @@
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertTrue;
+import static org.onap.so.aaisimulator.utils.TestConstants.CLOUD_OWNER_NAME;
+import static org.onap.so.aaisimulator.utils.TestConstants.CLOUD_REGION_NAME;
 import static org.onap.so.aaisimulator.utils.TestConstants.CUSTOMERS_URL;
 import static org.onap.so.aaisimulator.utils.TestConstants.GENERIC_VNF_NAME;
 import static org.onap.so.aaisimulator.utils.TestConstants.GENERIC_VNF_URL;
@@ -41,7 +43,6 @@
 import java.util.Optional;
 import org.junit.After;
 import org.junit.Test;
-import org.junit.runner.RunWith;
 import org.onap.aai.domain.yang.GenericVnf;
 import org.onap.aai.domain.yang.RelatedToProperty;
 import org.onap.aai.domain.yang.Relationship;
@@ -53,33 +54,16 @@
 import org.onap.so.aaisimulator.service.providers.LinesOfBusinessCacheServiceProvider;
 import org.onap.so.aaisimulator.service.providers.PlatformCacheServiceProvider;
 import org.onap.so.aaisimulator.utils.Constants;
-import org.onap.so.aaisimulator.utils.TestRestTemplateService;
 import org.onap.so.aaisimulator.utils.TestUtils;
 import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.boot.test.context.SpringBootTest;
-import org.springframework.boot.test.context.SpringBootTest.WebEnvironment;
-import org.springframework.boot.web.server.LocalServerPort;
-import org.springframework.context.annotation.Configuration;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
-import org.springframework.test.context.ActiveProfiles;
-import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
 
 /**
  * @author Waqas Ikram (waqas.ikram@est.tech)
  *
  */
-@RunWith(SpringJUnit4ClassRunner.class)
-@ActiveProfiles("test")
-@SpringBootTest(webEnvironment = WebEnvironment.RANDOM_PORT)
-@Configuration
-public class GenericVnfsControllerTest {
-
-    @LocalServerPort
-    private int port;
-
-    @Autowired
-    private TestRestTemplateService testRestTemplateService;
+public class GenericVnfsControllerTest extends AbstractSpringBootTest {
 
     @Autowired
     private CustomerCacheServiceProvider customerCacheServiceProvider;
@@ -265,6 +249,56 @@
 
     }
 
+    @Test
+    public void test_putGenericVnfRelationToCloudRegion_successfullyAddedToCache() throws Exception {
+        addCustomerServiceAndGenericVnf();
+
+        final String url = getUrl(Constants.CLOUD_REGIONS, CLOUD_OWNER_NAME, "/" + CLOUD_REGION_NAME);
+
+        final ResponseEntity<Void> responseEntity =
+                testRestTemplateService.invokeHttpPut(url, TestUtils.getCloudRegion(), Void.class);
+        assertEquals(HttpStatus.ACCEPTED, responseEntity.getStatusCode());
+
+        final String genericVnfRelationShipUrl = getUrl(GENERIC_VNF_URL, VNF_ID, RELATIONSHIP_URL);
+        final ResponseEntity<Void> genericVnfRelationShipResponse = testRestTemplateService
+                .invokeHttpPut(genericVnfRelationShipUrl, TestUtils.getCloudRegionRelatedLink(), Void.class);
+
+        assertEquals(HttpStatus.ACCEPTED, genericVnfRelationShipResponse.getStatusCode());
+
+        final Optional<GenericVnf> genericVnfOptional = genericVnfCacheServiceProvider.getGenericVnf(VNF_ID);
+        assertTrue(genericVnfOptional.isPresent());
+        final GenericVnf actualGenericVnf = genericVnfOptional.get();
+        final RelationshipList relationshipList = actualGenericVnf.getRelationshipList();
+        assertNotNull(relationshipList);
+        assertFalse(relationshipList.getRelationship().isEmpty());
+
+        final Relationship relationship = relationshipList.getRelationship().get(0);
+
+        assertEquals(Constants.LOCATED_IN, relationship.getRelationshipLabel());
+        assertFalse(relationship.getRelationshipData().isEmpty());
+        assertEquals(2, relationship.getRelationshipData().size());
+
+        final List<RelationshipData> relationshipDataList = relationship.getRelationshipData();
+
+        final RelationshipData cloudOwnerRelationshipData =
+                getRelationshipData(relationshipDataList, Constants.CLOUD_REGION_CLOUD_OWNER);
+        assertNotNull(cloudOwnerRelationshipData);
+        assertEquals(CLOUD_OWNER_NAME, cloudOwnerRelationshipData.getRelationshipValue());
+
+        final RelationshipData cloudRegionIdRelationshipData =
+                getRelationshipData(relationshipDataList, Constants.CLOUD_REGION_CLOUD_REGION_ID);
+        assertNotNull(cloudRegionIdRelationshipData);
+        assertEquals(CLOUD_REGION_NAME, cloudRegionIdRelationshipData.getRelationshipValue());
+
+        final List<RelatedToProperty> relatedToPropertyList = relationship.getRelatedToProperty();
+
+        final RelatedToProperty cloudRegionOwnerDefinedTypeProperty =
+                getRelatedToProperty(relatedToPropertyList, Constants.CLOUD_REGION_OWNER_DEFINED_TYPE);
+        assertNotNull(cloudRegionOwnerDefinedTypeProperty);
+        assertEquals("OwnerType", cloudRegionOwnerDefinedTypeProperty.getPropertyValue());
+
+    }
+
     private void addCustomerServiceAndGenericVnf() throws Exception, IOException {
         final ResponseEntity<Void> customerResponse =
                 testRestTemplateService.invokeHttpPut(getUrl(CUSTOMERS_URL), TestUtils.getCustomer(), Void.class);
@@ -286,8 +320,10 @@
         return relationshipData.stream().filter(data -> data.getRelationshipKey().equals(key)).findFirst().orElse(null);
     }
 
-    private String getUrl(final String... urls) {
-        return TestUtils.getUrl(port, urls);
+    private RelatedToProperty getRelatedToProperty(final List<RelatedToProperty> relatedToPropertyList,
+            final String key) {
+        return relatedToPropertyList.stream().filter(data -> data.getPropertyKey().equals(key)).findFirst()
+                .orElse(null);
     }
 
 }
diff --git a/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/test/java/org/onap/so/aaisimulator/controller/LinesOfBusinessControllerTest.java b/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/test/java/org/onap/so/aaisimulator/controller/LinesOfBusinessControllerTest.java
index d5816d7..d0234f6 100644
--- a/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/test/java/org/onap/so/aaisimulator/controller/LinesOfBusinessControllerTest.java
+++ b/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/test/java/org/onap/so/aaisimulator/controller/LinesOfBusinessControllerTest.java
@@ -29,7 +29,6 @@
 import java.util.Optional;
 import org.junit.After;
 import org.junit.Test;
-import org.junit.runner.RunWith;
 import org.onap.aai.domain.yang.LineOfBusiness;
 import org.onap.aai.domain.yang.RelatedToProperty;
 import org.onap.aai.domain.yang.Relationship;
@@ -37,32 +36,16 @@
 import org.onap.so.aaisimulator.service.providers.LinesOfBusinessCacheServiceProvider;
 import org.onap.so.aaisimulator.utils.Constants;
 import org.onap.so.aaisimulator.utils.TestConstants;
-import org.onap.so.aaisimulator.utils.TestRestTemplateService;
 import org.onap.so.aaisimulator.utils.TestUtils;
 import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.boot.test.context.SpringBootTest;
-import org.springframework.boot.test.context.SpringBootTest.WebEnvironment;
-import org.springframework.boot.web.server.LocalServerPort;
-import org.springframework.context.annotation.Configuration;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
-import org.springframework.test.context.ActiveProfiles;
-import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
 
 /**
  * @author Waqas Ikram (waqas.ikram@est.tech)
  *
  */
-@RunWith(SpringJUnit4ClassRunner.class)
-@ActiveProfiles("test")
-@SpringBootTest(webEnvironment = WebEnvironment.RANDOM_PORT)
-@Configuration
-public class LinesOfBusinessControllerTest {
-    @LocalServerPort
-    private int port;
-
-    @Autowired
-    private TestRestTemplateService testRestTemplateService;
+public class LinesOfBusinessControllerTest extends AbstractSpringBootTest {
 
     @Autowired
     private LinesOfBusinessCacheServiceProvider linesOfBusinessCacheServiceProvider;
@@ -130,7 +113,4 @@
 
     }
 
-    private String getUrl(final String... urls) {
-        return TestUtils.getUrl(port, urls);
-    }
 }
diff --git a/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/test/java/org/onap/so/aaisimulator/controller/NodesControllerTest.java b/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/test/java/org/onap/so/aaisimulator/controller/NodesControllerTest.java
index 07094e5..315f4fb 100644
--- a/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/test/java/org/onap/so/aaisimulator/controller/NodesControllerTest.java
+++ b/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/test/java/org/onap/so/aaisimulator/controller/NodesControllerTest.java
@@ -40,7 +40,6 @@
 import java.util.Map;
 import org.junit.After;
 import org.junit.Test;
-import org.junit.runner.RunWith;
 import org.onap.aai.domain.yang.GenericVnf;
 import org.onap.aai.domain.yang.GenericVnfs;
 import org.onap.aai.domain.yang.ServiceInstance;
@@ -49,33 +48,16 @@
 import org.onap.so.aaisimulator.service.providers.CustomerCacheServiceProvider;
 import org.onap.so.aaisimulator.service.providers.NodesCacheServiceProvider;
 import org.onap.so.aaisimulator.utils.Constants;
-import org.onap.so.aaisimulator.utils.TestRestTemplateService;
 import org.onap.so.aaisimulator.utils.TestUtils;
 import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.boot.test.context.SpringBootTest;
-import org.springframework.boot.test.context.SpringBootTest.WebEnvironment;
-import org.springframework.boot.web.server.LocalServerPort;
-import org.springframework.context.annotation.Configuration;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
-import org.springframework.test.context.ActiveProfiles;
-import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
 
 /**
  * @author waqas.ikram@ericsson.com
  *
  */
-@RunWith(SpringJUnit4ClassRunner.class)
-@ActiveProfiles("test")
-@SpringBootTest(webEnvironment = WebEnvironment.RANDOM_PORT)
-@Configuration
-public class NodesControllerTest {
-
-    @LocalServerPort
-    private int port;
-
-    @Autowired
-    private TestRestTemplateService testRestTemplateService;
+public class NodesControllerTest extends AbstractSpringBootTest {
 
     @Autowired
     private NodesCacheServiceProvider nodesCacheServiceProvider;
@@ -171,8 +153,4 @@
         assertEquals(HttpStatus.ACCEPTED, response2.getStatusCode());
     }
 
-    private String getUrl(final String... urls) {
-        return TestUtils.getUrl(port, urls);
-    }
-
 }
diff --git a/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/test/java/org/onap/so/aaisimulator/controller/OwningEntityControllerTest.java b/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/test/java/org/onap/so/aaisimulator/controller/OwningEntityControllerTest.java
index 8eda201..f2f43fb 100644
--- a/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/test/java/org/onap/so/aaisimulator/controller/OwningEntityControllerTest.java
+++ b/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/test/java/org/onap/so/aaisimulator/controller/OwningEntityControllerTest.java
@@ -26,43 +26,25 @@
 import static org.onap.so.aaisimulator.utils.TestConstants.RELATIONSHIP_URL;
 import org.junit.After;
 import org.junit.Test;
-import org.junit.runner.RunWith;
 import org.onap.aai.domain.yang.OwningEntity;
 import org.onap.so.aaisimulator.models.Format;
 import org.onap.so.aaisimulator.models.Results;
 import org.onap.so.aaisimulator.service.providers.OwnEntityCacheServiceProvider;
 import org.onap.so.aaisimulator.utils.Constants;
-import org.onap.so.aaisimulator.utils.TestRestTemplateService;
 import org.onap.so.aaisimulator.utils.TestUtils;
 import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.boot.test.context.SpringBootTest;
-import org.springframework.boot.test.context.SpringBootTest.WebEnvironment;
-import org.springframework.boot.web.server.LocalServerPort;
-import org.springframework.context.annotation.Configuration;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
-import org.springframework.test.context.ActiveProfiles;
-import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
 
 /**
  * @author waqas.ikram@ericsson.com
  *
  */
-@RunWith(SpringJUnit4ClassRunner.class)
-@ActiveProfiles("test")
-@SpringBootTest(webEnvironment = WebEnvironment.RANDOM_PORT)
-@Configuration
-public class OwningEntityControllerTest {
+public class OwningEntityControllerTest extends AbstractSpringBootTest {
 
     private static final String OWN_ENTITY_ID_VALUE = "oe_1";
     private static final String OWN_ENTITY_NAME_VALUE = "oe_2";
 
-    @LocalServerPort
-    private int port;
-
-    @Autowired
-    private TestRestTemplateService testRestTemplateService;
-
     @Autowired
     private OwnEntityCacheServiceProvider cacheServiceProvider;
 
@@ -138,9 +120,4 @@
 
     }
 
-    private String getUrl(final String... urls) {
-        return TestUtils.getUrl(port, urls);
-    }
-
-
 }
diff --git a/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/test/java/org/onap/so/aaisimulator/controller/PlatformControllerTest.java b/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/test/java/org/onap/so/aaisimulator/controller/PlatformControllerTest.java
index ac8d295..2769b6a 100644
--- a/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/test/java/org/onap/so/aaisimulator/controller/PlatformControllerTest.java
+++ b/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/test/java/org/onap/so/aaisimulator/controller/PlatformControllerTest.java
@@ -29,7 +29,6 @@
 import java.util.Optional;
 import org.junit.After;
 import org.junit.Test;
-import org.junit.runner.RunWith;
 import org.onap.aai.domain.yang.Platform;
 import org.onap.aai.domain.yang.RelatedToProperty;
 import org.onap.aai.domain.yang.Relationship;
@@ -37,33 +36,16 @@
 import org.onap.so.aaisimulator.service.providers.PlatformCacheServiceProvider;
 import org.onap.so.aaisimulator.utils.Constants;
 import org.onap.so.aaisimulator.utils.TestConstants;
-import org.onap.so.aaisimulator.utils.TestRestTemplateService;
 import org.onap.so.aaisimulator.utils.TestUtils;
 import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.boot.test.context.SpringBootTest;
-import org.springframework.boot.test.context.SpringBootTest.WebEnvironment;
-import org.springframework.boot.web.server.LocalServerPort;
-import org.springframework.context.annotation.Configuration;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
-import org.springframework.test.context.ActiveProfiles;
-import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
 
 /**
  * @author Waqas Ikram (waqas.ikram@est.tech)
  *
  */
-@RunWith(SpringJUnit4ClassRunner.class)
-@ActiveProfiles("test")
-@SpringBootTest(webEnvironment = WebEnvironment.RANDOM_PORT)
-@Configuration
-public class PlatformControllerTest {
-
-    @LocalServerPort
-    private int port;
-
-    @Autowired
-    private TestRestTemplateService testRestTemplateService;
+public class PlatformControllerTest extends AbstractSpringBootTest {
 
     @Autowired
     private PlatformCacheServiceProvider platformCacheServiceProvider;
@@ -129,8 +111,4 @@
 
     }
 
-    private String getUrl(final String... urls) {
-        return TestUtils.getUrl(port, urls);
-    }
-
 }
diff --git a/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/test/java/org/onap/so/aaisimulator/controller/ProjectControllerTest.java b/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/test/java/org/onap/so/aaisimulator/controller/ProjectControllerTest.java
index 66299a4..9e477fa 100644
--- a/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/test/java/org/onap/so/aaisimulator/controller/ProjectControllerTest.java
+++ b/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/test/java/org/onap/so/aaisimulator/controller/ProjectControllerTest.java
@@ -26,7 +26,6 @@
 import static org.onap.so.aaisimulator.utils.TestConstants.RELATIONSHIP_URL;
 import org.junit.After;
 import org.junit.Test;
-import org.junit.runner.RunWith;
 import org.onap.aai.domain.yang.Project;
 import org.onap.so.aaisimulator.models.Results;
 import org.onap.so.aaisimulator.service.providers.ProjectCacheServiceProvider;
@@ -34,24 +33,15 @@
 import org.onap.so.aaisimulator.utils.TestRestTemplateService;
 import org.onap.so.aaisimulator.utils.TestUtils;
 import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.boot.test.context.SpringBootTest;
-import org.springframework.boot.test.context.SpringBootTest.WebEnvironment;
 import org.springframework.boot.web.server.LocalServerPort;
-import org.springframework.context.annotation.Configuration;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
-import org.springframework.test.context.ActiveProfiles;
-import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
 
 /**
  * @author waqas.ikram@ericsson.com
  *
  */
-@RunWith(SpringJUnit4ClassRunner.class)
-@ActiveProfiles("test")
-@SpringBootTest(webEnvironment = WebEnvironment.RANDOM_PORT)
-@Configuration
-public class ProjectControllerTest {
+public class ProjectControllerTest extends AbstractSpringBootTest {
 
     private static final String PROJECT_NAME_VALUE = "PROJECT_NAME_VALUE";
 
@@ -132,9 +122,4 @@
         assertEquals(1, result.getValues().get(0).get(Constants.PROJECT));
     }
 
-
-    private String getUrl(final String... urls) {
-        return TestUtils.getUrl(port, urls);
-    }
-
 }
diff --git a/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/test/java/org/onap/so/aaisimulator/utils/TestConstants.java b/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/test/java/org/onap/so/aaisimulator/utils/TestConstants.java
index 339fccc..52973a5 100644
--- a/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/test/java/org/onap/so/aaisimulator/utils/TestConstants.java
+++ b/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/test/java/org/onap/so/aaisimulator/utils/TestConstants.java
@@ -58,9 +58,13 @@
     public static final String RELATED_TO_URL = "/related-to" + GENERIC_VNFS_URL;
 
     public static final String PLATFORM_NAME = "PLATFORM_APP_ID_1";
-    
+
     public static final String LINE_OF_BUSINESS_NAME = "LINE_OF_BUSINESS_1";
 
+    public static final String CLOUD_OWNER_NAME = "CloudOwner";
+
+    public static final String CLOUD_REGION_NAME = "EtsiCloudRegion";
+
     private TestConstants() {}
 
 }
diff --git a/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/test/java/org/onap/so/aaisimulator/utils/TestUtils.java b/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/test/java/org/onap/so/aaisimulator/utils/TestUtils.java
index e91e1dc..7e37866 100644
--- a/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/test/java/org/onap/so/aaisimulator/utils/TestUtils.java
+++ b/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/test/java/org/onap/so/aaisimulator/utils/TestUtils.java
@@ -91,7 +91,7 @@
     public static String getPlatformRelatedLink() throws IOException {
         return getJsonString("test-data/platform-related-link.json");
     }
-    
+
     public static String getLineOfBusinessRelatedLink() throws IOException {
         return getJsonString("test-data/line-of-business-related-link.json");
     }
@@ -132,12 +132,18 @@
         return getJsonString("test-data/service-Instance-relationShip.json");
     }
 
+    public static String getCloudRegion() throws IOException {
+        return getJsonString("test-data/cloud-region.json");
+    }
+
+    public static Object getCloudRegionRelatedLink() throws IOException {
+        return getJsonString("test-data/cloud-region-related-link.json");
+    }
 
     public static String getUrl(final int port, final String... urls) {
         final UriComponentsBuilder baseUri = UriComponentsBuilder.fromUriString("https://localhost:" + port);
         for (final String url : urls) {
             baseUri.path(url);
-
         }
         return baseUri.toUriString();
     }
diff --git a/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/test/resources/test-data/cloud-region-related-link.json b/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/test/resources/test-data/cloud-region-related-link.json
new file mode 100644
index 0000000..b5025c6
--- /dev/null
+++ b/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/test/resources/test-data/cloud-region-related-link.json
@@ -0,0 +1,3 @@
+{
+    "related-link": "/cloud-infrastructure/cloud-regions/cloud-region/CloudOwner/EtsiCloudRegion"
+}
diff --git a/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/test/resources/test-data/cloud-region.json b/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/test/resources/test-data/cloud-region.json
new file mode 100644
index 0000000..f495a35
--- /dev/null
+++ b/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/test/resources/test-data/cloud-region.json
@@ -0,0 +1,10 @@
+{
+    "cloud-owner": "CloudOwner",
+    "cloud-region-id": "EtsiCloudRegion",
+    "cloud-type": "openstack",
+    "owner-defined-type": "OwnerType",
+    "cloud-region-version": "1.0",
+    "cloud-zone": "CloudZone",
+    "complex-name": "clli1",
+    "cloud-extra-info": ""
+}