diff --git a/pkg/tsdb/cloudwatch/metrics.go b/pkg/tsdb/cloudwatch/metrics.go
index 6234f013913..cf2779ab8e7 100644
--- a/pkg/tsdb/cloudwatch/metrics.go
+++ b/pkg/tsdb/cloudwatch/metrics.go
@@ -514,7 +514,7 @@ var dimensionsMap = map[string][]string{
 // 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-south-1", "eu-west-1",
+	"ap-southeast-2", "ap-southeast-3", "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",
 }