diff --git a/charts/templates/deployment.yaml b/charts/templates/deployment.yaml
index 19d74318..a1596e31 100644
--- a/charts/templates/deployment.yaml
+++ b/charts/templates/deployment.yaml
@@ -122,6 +122,8 @@ spec:
               value: {{ .Values.ocloud.OS_PASSWORD }}
             - name: OS_USERNAME
               value: {{ .Values.ocloud.OS_USERNAME }}
+            - name: OS_REGION_NAME
+              value: {{ .Values.ocloud.OS_REGION_NAME }}
             - name: PYTHONDONTWRITEBYTECODE
               value: "1"
             - name: REDIS_HOST
diff --git a/charts/values.yaml b/charts/values.yaml
index 83629c4f..ee88d9c3 100644
--- a/charts/values.yaml
+++ b/charts/values.yaml
@@ -77,6 +77,7 @@ ocloud:
   OS_AUTH_URL: ""
   OS_USERNAME: ""
   OS_PASSWORD: ""
+  OS_REGION_NAME: "RegionOne"
   K8S_KUBECONFIG: ""
   API_HOST_EXTERNAL_FLOATING: ""
   HELM_USER_PASSWD: "St8rlingX*"
diff --git a/o2common/config/config.py b/o2common/config/config.py
index f8eee94b..2ad1da36 100644
--- a/o2common/config/config.py
+++ b/o2common/config/config.py
@@ -63,6 +63,11 @@ def get_api_url():
     return f"https://{host}:{port}"
 
 
+def get_region_name():
+    region_name = os.environ.get("OS_REGION_NAME", "RegionOne")
+    return region_name
+
+
 def get_stx_url():
     try:
         return get_stx_client_args()["auth_url"]
@@ -150,7 +155,8 @@ def is_ipv6(address):
         return False
 
 
-def get_stx_access_info(region_name="RegionOne", subcloud_hostname: str = "",
+def get_stx_access_info(region_name=get_region_name(),
+                        subcloud_hostname: str = "",
                         sub_is_https: bool = False):
     try:
         client_args = get_stx_client_args()