diff --git a/sky/catalog/data_fetchers/fetch_aws.py b/sky/catalog/data_fetchers/fetch_aws.py
index 050021f35b8..483639e717e 100644
--- a/sky/catalog/data_fetchers/fetch_aws.py
+++ b/sky/catalog/data_fetchers/fetch_aws.py
@@ -60,6 +60,7 @@
     'ap-northeast-2',
     'ap-southeast-1',
     'ap-southeast-2',
+    'ap-southeast-4',
     'ap-northeast-1',
 ]
 US_REGIONS = ['us-east-1', 'us-east-2', 'us-west-1', 'us-west-2']