Merge pull request #184157 from GennadNY/gennadyk909

Update overview.md

Author: hmacgregor1

articles/postgresql/flexible-server/overview.md

@@ -122,6 +122,8 @@ One advantage of running your workload in Azure is global reach. The flexible se
 | West US 3 | :heavy_check_mark: | :x: | :x: |
 
 <!-- We continue to add more regions for flexible server. -->
+> [!NOTE]
+> If your application requires Zone redundant HA and it's not available in your preferred Azure region, consider using other regions within the same geography where Zone redundant HA is available, such as US East for US East 2, Central US for North Central US, and so on. 
 
 ## Migration