diff --git a/homeassistant/components/alexa/handlers.py b/homeassistant/components/alexa/handlers.py
index 06ce4f88b56..3e995e9ffe2 100644
--- a/homeassistant/components/alexa/handlers.py
+++ b/homeassistant/components/alexa/handlers.py
@@ -474,7 +474,24 @@ async def async_api_unlock(
     context: ha.Context,
 ) -> AlexaResponse:
     """Process an unlock request."""
-    if config.locale not in {"de-DE", "en-US", "ja-JP"}:
+    if config.locale not in {
+        "ar-SA",
+        "de-DE",
+        "en-AU",
+        "en-CA",
+        "en-GB",
+        "en-IN",
+        "en-US",
+        "es-ES",
+        "es-MX",
+        "es-US",
+        "fr-CA",
+        "fr-FR",
+        "hi-IN",
+        "it-IT",
+        "ja-JP",
+        "pt-BR",
+    }:
         msg = (
             "The unlock directive is not supported for the following locales:"
             f" {config.locale}"