Merge pull request #260160 from beavincent/patch-15

Update disk-storage-zrs-regions.md

Author: prmerger-automator[bot]

includes/disk-storage-zrs-regions.md

@@ -19,6 +19,7 @@ ZRS disks are currently available in the following regions:
 - North Europe
 - West Europe
 - France Central
+- Germany West Central
 - Central India
 - Italy North
 - Japan East