diff --git a/google/cloud/aiplatform/constants/base.py b/google/cloud/aiplatform/constants/base.py
index 230918d564..373f66c003 100644
--- a/google/cloud/aiplatform/constants/base.py
+++ b/google/cloud/aiplatform/constants/base.py
@@ -29,6 +29,7 @@
     "europe-west3",
     "europe-west4",
     "europe-west6",
+    "europe-west9",
     "northamerica-northeast1",
     "northamerica-northeast2",
     "us-central1",