diff --git a/releasenotes/notes/fix-region-name-2031ff4b83b6308e.yaml b/releasenotes/notes/fix-region-name-2031ff4b83b6308e.yaml
new file mode 100644
index 00000000..b26f1b9a
--- /dev/null
+++ b/releasenotes/notes/fix-region-name-2031ff4b83b6308e.yaml
@@ -0,0 +1,5 @@
+---
+fixes:
+  - ``--os-region-name`` or ``OS_REGION_NAME`` is fully supported now and will
+    be passed to Mistral service in order to get OpenStack service client for
+    the specific region.