Merge pull request #295678 from wmgries/rev-pv2-regions

Azure Files Pv2: add US Gov regions

Author: prmerger-automator[bot]

articles/storage/files/understanding-billing.md

@@ -137,6 +137,11 @@ Currently, these SKUs are generally available in a limited subset of regions:
 - Korea South
 - East US 2
 - Central US
+- US Gov Virginia*
+- US Gov Arizona*
+- US Gov Texas*
+
+Storage accounts in regions flagged with an asterisks (*) can only be created using Azure PowerShell or Azure CLI. See [create a storage account](./storage-how-to-create-file-share.md) for more information.
 
 ### Provisioned v2 provisioning detail
 When you create a provisioned v2 file share, you specify the provisioned capacity for the file share in terms of storage, IOPS, and throughput. File shares are limited based on the following attributes: