diff --git a/core/net/src/main/java/org/onosproject/net/region/impl/RegionManager.java b/core/net/src/main/java/org/onosproject/net/region/impl/RegionManager.java
new file mode 100644
index 0000000..fcb1d6a
--- /dev/null
+++ b/core/net/src/main/java/org/onosproject/net/region/impl/RegionManager.java
@@ -0,0 +1,142 @@
+/*
+ * Copyright 2016 Open Networking Laboratory
+ *
+ * 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.
+ */
+
+package org.onosproject.net.region.impl;
+
+import org.apache.felix.scr.annotations.Activate;
+import org.apache.felix.scr.annotations.Deactivate;
+import org.apache.felix.scr.annotations.Reference;
+import org.apache.felix.scr.annotations.ReferenceCardinality;
+import org.onosproject.cluster.NodeId;
+import org.onosproject.event.AbstractListenerManager;
+import org.onosproject.net.DeviceId;
+import org.onosproject.net.region.Region;
+import org.onosproject.net.region.RegionAdminService;
+import org.onosproject.net.region.RegionEvent;
+import org.onosproject.net.region.RegionId;
+import org.onosproject.net.region.RegionListener;
+import org.onosproject.net.region.RegionService;
+import org.onosproject.net.region.RegionStore;
+import org.onosproject.net.region.RegionStoreDelegate;
+import org.slf4j.Logger;
+
+import java.util.Collection;
+import java.util.List;
+import java.util.Set;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+import static com.google.common.base.Preconditions.checkState;
+import static com.google.common.collect.ImmutableList.of;
+import static org.slf4j.LoggerFactory.getLogger;
+
+/**
+ * Provides implementation of the region service APIs.
+ */
+public class RegionManager extends AbstractListenerManager<RegionEvent, RegionListener>
+        implements RegionAdminService, RegionService {
+
+    private static final String REGION_ID_NULL = "Region ID cannot be null";
+    private static final String REGION_TYPE_NULL = "Region type cannot be null";
+    private static final String DEVICE_ID_NULL = "Device ID cannot be null";
+    private static final String DEVICE_IDS_NULL = "Device IDs cannot be null";
+    private static final String DEVICE_IDS_EMPTY = "Device IDs cannot be empty";
+    private static final String NAME_NULL = "Name cannot be null";
+
+    private final Logger log = getLogger(getClass());
+
+    private RegionStoreDelegate delegate = this::post;
+
+    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    protected RegionStore store;
+
+    @Activate
+    public void activate() {
+        store.setDelegate(delegate);
+        eventDispatcher.addSink(RegionEvent.class, listenerRegistry);
+        log.info("Started");
+    }
+
+    @Deactivate
+    public void deactivate() {
+        store.unsetDelegate(delegate);
+        eventDispatcher.removeSink(RegionEvent.class);
+        log.info("Stopped");
+    }
+
+    @Override
+    public Region createRegion(RegionId regionId, String name, Region.Type type,
+                               List<Set<NodeId>> masterNodeIds) {
+        checkNotNull(regionId, REGION_ID_NULL);
+        checkNotNull(name, NAME_NULL);
+        checkNotNull(name, REGION_TYPE_NULL);
+        return store.createRegion(regionId, name, type, masterNodeIds == null ? of() : masterNodeIds);
+    }
+
+    @Override
+    public Region updateRegion(RegionId regionId, String name, Region.Type type,
+                               List<Set<NodeId>> masterNodeIds) {
+        checkNotNull(regionId, REGION_ID_NULL);
+        checkNotNull(name, NAME_NULL);
+        checkNotNull(name, REGION_TYPE_NULL);
+        return store.updateRegion(regionId, name, type, masterNodeIds == null ? of() : masterNodeIds);
+    }
+
+    @Override
+    public void removeRegion(RegionId regionId) {
+        checkNotNull(regionId, REGION_ID_NULL);
+        store.removeRegion(regionId);
+    }
+
+    @Override
+    public void addDevices(RegionId regionId, Collection<DeviceId> deviceIds) {
+        checkNotNull(regionId, REGION_ID_NULL);
+        checkNotNull(deviceIds, DEVICE_IDS_NULL);
+        checkState(!deviceIds.isEmpty(), DEVICE_IDS_EMPTY);
+        store.addDevices(regionId, deviceIds);
+    }
+
+    @Override
+    public void removeDevices(RegionId regionId, Collection<DeviceId> deviceIds) {
+        checkNotNull(regionId, REGION_ID_NULL);
+        checkNotNull(deviceIds, DEVICE_IDS_NULL);
+        checkState(!deviceIds.isEmpty(), DEVICE_IDS_EMPTY);
+        store.removeDevices(regionId, deviceIds);
+    }
+
+    @Override
+    public Set<Region> getRegions() {
+        return store.getRegions();
+    }
+
+    @Override
+    public Region getRegion(RegionId regionId) {
+        checkNotNull(regionId, REGION_ID_NULL);
+        return store.getRegion(regionId);
+    }
+
+    @Override
+    public Region getRegionForDevice(DeviceId deviceId) {
+        checkNotNull(deviceId, DEVICE_ID_NULL);
+        return store.getRegionForDevice(deviceId);
+    }
+
+    @Override
+    public Set<DeviceId> getRegionDevices(RegionId regionId) {
+        checkNotNull(regionId, REGION_ID_NULL);
+        return store.getRegionDevices(regionId);
+    }
+
+}