diff --git a/metadata/service/control/control.yml b/metadata/service/control/control.yml
index 7728a2e..719f6d0 100644
--- a/metadata/service/control/control.yml
+++ b/metadata/service/control/control.yml
@@ -9,6 +9,7 @@
     opencontrail_identity_version: '2.0'
     keystone_admin_password: 'none'
     keystone_service_token: 'none'
+    openstack_region: RegionOne
   opencontrail:
     common:
       version: ${_param:opencontrail_version}
@@ -53,7 +54,7 @@
       identity:
         engine: keystone
         version: ${_param:opencontrail_identity_version}
-        region: RegionOne
+        region: ${_param:openstack_region}
         host: ${_param:cluster_vip_address}
         port: ${_param:opencontrail_identity_port}
         user: admin