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AWS AmazonS3 documentation change

Service: AmazonS3 · 2025-04-28 · Documentation low

File: AmazonS3/latest/userguide/directory-bucket-data-residency.md

Summary

Added documentation about AWS Dedicated Local Zones support for S3 directory buckets to enforce data residency and isolation

Security assessment

The changes describe infrastructure capabilities for data residency compliance but do not address specific security vulnerabilities or introduce new security controls.

Diff

diff --git a/AmazonS3/latest/userguide/directory-bucket-data-residency.md b/AmazonS3/latest/userguide/directory-bucket-data-residency.md
index 98d66a042..d2062eb0d 100644
--- a//AmazonS3/latest/userguide/directory-bucket-data-residency.md
+++ b//AmazonS3/latest/userguide/directory-bucket-data-residency.md
@@ -6,0 +7,6 @@
+AWS Dedicated Local Zones (Dedicated Local Zones) are a type of AWS Infrastructure that are fully managed by AWS, built for exclusive use by you or your community, and placed in a location or data center specified by you to help comply with regulatory requirements. Dedicated Local Zones are a type of AWS Local Zones (Local Zones) offering. For more information, see [AWS Dedicated Local Zones](https://aws.amazon.com/dedicatedlocalzones/).
+
+In Dedicated Local Zones, you can create S3 directory buckets to store data in a specific data perimeter, which helps support data residency and isolation use cases. Directory buckets in Dedicated Local Zones can support the S3 Express One Zone and S3 One Zone-Infrequent Access (S3 One Zone-IA; Z-IA) storage classes. Directory buckets are not currently available in other [AWS Local Zones locations](https://aws.amazon.com/about-aws/global-infrastructure/localzones/locations/). 
+
+You can use the AWS Management Console, REST API, AWS Command Line Interface (AWS CLI), and AWS SDKs in Dedicated Local Zones. 
+