diff --git a/pkg/tsdb/cloudwatch/metric_find_query.go b/pkg/tsdb/cloudwatch/metric_find_query.go
index febc1cfb86b..e5737b017c7 100644
--- a/pkg/tsdb/cloudwatch/metric_find_query.go
+++ b/pkg/tsdb/cloudwatch/metric_find_query.go
@@ -24,7 +24,7 @@ import (
 // Known AWS regions.
 var knownRegions = []string{
 	"af-south-1", "ap-east-1", "ap-northeast-1", "ap-northeast-2", "ap-northeast-3", "ap-south-1", "ap-southeast-1",
-	"ap-southeast-2", "ca-central-1", "cn-north-1", "cn-northwest-1", "eu-central-1", "eu-north-1", "eu-west-1",
+	"ap-southeast-2", "ca-central-1", "cn-north-1", "cn-northwest-1", "eu-central-1", "eu-north-1", "eu-south-1", "eu-west-1",
 	"eu-west-2", "eu-west-3", "me-south-1", "sa-east-1", "us-east-1", "us-east-2", "us-gov-east-1", "us-gov-west-1",
 	"us-iso-east-1", "us-isob-east-1", "us-west-1", "us-west-2",
 }
diff --git a/public/app/plugins/datasource/cloudwatch/components/ConfigEditor.tsx b/public/app/plugins/datasource/cloudwatch/components/ConfigEditor.tsx
index 879d2710551..c4463932d31 100644
--- a/public/app/plugins/datasource/cloudwatch/components/ConfigEditor.tsx
+++ b/public/app/plugins/datasource/cloudwatch/components/ConfigEditor.tsx
@@ -100,6 +100,7 @@ export class ConfigEditor extends PureComponent<Props, State> {
             'cn-northwest-1',
             'eu-central-1',
             'eu-north-1',
+            'eu-south-1',
             'eu-west-1',
             'eu-west-2',
             'eu-west-3',