diff --git a/barbican_tempest_plugin/config.py b/barbican_tempest_plugin/config.py
index da78d15..446a327 100644
--- a/barbican_tempest_plugin/config.py
+++ b/barbican_tempest_plugin/config.py
@@ -43,7 +43,12 @@
                     "min_microversion and max_microversion. "
                     "If both values are not specified, Tempest avoids tests "
                     "which require a microversion. Valid values are string "
-                    "with format 'X.Y' or string 'latest'")
+                    "with format 'X.Y' or string 'latest'"),
+    cfg.StrOpt('region',
+               default='regionOne',
+               help="The barbican region name to use. If no such region is"
+                    "found in the service catalog, the first found one is "
+                    "used.")
 ]
 
 barbican_tempest_group = cfg.OptGroup(
diff --git a/barbican_tempest_plugin/services/key_manager/json/base.py b/barbican_tempest_plugin/services/key_manager/json/base.py
index dedc0fd..d4a2a8a 100644
--- a/barbican_tempest_plugin/services/key_manager/json/base.py
+++ b/barbican_tempest_plugin/services/key_manager/json/base.py
@@ -9,10 +9,13 @@
 # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 # License for the specific language governing permissions and limitations
 # under the License.
+from tempest import config
 from tempest.lib.common import rest_client
 
+CONF = config.CONF
 
 _DEFAULT_SERVICE_TYPE = 'key-manager'
+_DEFAULT_REGION = CONF.key_manager.region
 _MICROVERSION_HEADER = 'OpenStack-API-Version'
 
 
@@ -22,6 +25,7 @@
 
     def __init__(self, *args, **kwargs):
         kwargs['service'] = _DEFAULT_SERVICE_TYPE
+        kwargs['region'] = _DEFAULT_REGION
         super().__init__(*args, **kwargs)
 
     def get_headers(self, accept_type=None, send_type=None):
diff --git a/barbican_tempest_plugin/tests/api/base.py b/barbican_tempest_plugin/tests/api/base.py
index c098978..aa500f7 100644
--- a/barbican_tempest_plugin/tests/api/base.py
+++ b/barbican_tempest_plugin/tests/api/base.py
@@ -81,22 +81,16 @@
     def setup_clients(cls):
         super(BaseKeyManagerTest, cls).setup_clients()
         os = getattr(cls, 'os_%s' % cls.credentials[0])
-        cls.consumer_client = os.secret_v1.ConsumerClient(
-            service='key-manager'
-        )
-        cls.container_client = os.secret_v1.ContainerClient(
-            service='key-manager'
-        )
-        cls.order_client = os.secret_v1.OrderClient(service='key-manager')
-        cls.secret_client = os.secret_v1.SecretClient(service='key-manager')
+        cls.consumer_client = os.secret_v1.ConsumerClient()
+        cls.container_client = os.secret_v1.ContainerClient()
+        cls.order_client = os.secret_v1.OrderClient()
+        cls.secret_client = os.secret_v1.SecretClient()
         cls.secret_consumer_client = os.secret_v1_1.SecretConsumerClient()
-        cls.secret_metadata_client = os.secret_v1.SecretMetadataClient(
-            service='key-manager'
-        )
+        cls.secret_metadata_client = os.secret_v1.SecretMetadataClient()
         cls.version_client = os.secret_v1_1.VersionClient()
 
         os = getattr(cls, 'os_roles_%s' % cls.credentials[1][0])
-        cls.quota_client = os.secret_v1.QuotaClient(service='key-manager')
+        cls.quota_client = os.secret_v1.QuotaClient()
 
     @classmethod
     def setup_credentials(cls):