asev3 in-region data residency

Author: seligj95

articles/app-service/environment/overview.md

@@ -3,7 +3,7 @@ title: App Service Environment overview
 description: This article discusses the Azure App Service Environment feature of Azure App Service.
 author: madsd
 ms.topic: overview
-ms.date: 06/27/2023
+ms.date: 08/30/2023
 ms.author: madsd
 ms.custom: "UpdateFrequency3, references_regions"
 ---
@@ -171,6 +171,10 @@ App Service Environment v3 is available in the following regions:
 | China North 2        |                              |                             | ✅                          |
 | China North 3        | ✅                          | ✅                          |                              |
 
+### In-region data residency
+
+An App Service Environment will only store customer data including app content, settings and secrets within the region where it's deployed. All data is guaranteed to remain in the region. This is true for both regional and zone redundant App Service Environment.
+
 ## App Service Environment v2
 
 App Service Environment has three versions: App Service Environment v1, App Service Environment v2, and App Service Environment v3. The information in this article is based on App Service Environment v3. To learn more about App Service Environment v2, see [App Service Environment v2 introduction](./intro.md).