Docs

NAT Gateway

Overview

Region and Availability Zone

Region

Instructions

A region is a geographical zone where a data center is located. The intranet is completely isolated among different regions, maximizing stability and fault tolerance of different regions. Regions are usually divided based on the city where the data center is located.

How to select a region?

Select the same region as the Elastic Compute Service (ECS) that will use the NAT Gateway. Once created, the NAT Gateway's region cannot be changed.

Availability Zone

Instructions

An Availability Zone (AZ) refers to a physically isolated location within the same region, featuring independent power and network infrastructure.

Related features

The NAT Gateway supports cross-Availability Zone disaster recovery. If the primary availability zone fails, the NAT Gateway automatically switches to the secondary availability zone to ensure normal business operations.

How to select an availability zone

Select the availability zone where the NAT Gateway resource is deployed.

Regions and Availability Zones

The currently available regions and AZs are listed in the table below. We will gradually add more regions and AZs for your selection and use.

tip

Product features may vary by regions. The features available in the console shall prevail.

Regions	RegionID	AZ quantity	ZoneID	Status
China regions
China (Beijing)	cn-beijing	4	AZ A: cn-beijing-a AZ B: cn-beijing-b AZ C: cn-beijing-c AZ D: cn-beijing-d	GA
China (Shanghai)	cn-shanghai	4	AZ A: cn-shanghai-a AZ B: cn-shanghai-b AZ C: cn-shanghai-c AZ E: cn-shanghai-e	GA
China (Guangzhou)	cn-guangzhou	3	AZ A: cn-guangzhou-a AZ B: cn-guangzhou-b AZ C: cn-guangzhou-c	GA
China (Hong Kong)	cn-hongkong	2	AZ A: cn-hongkong-a AZ B: cn-hongkong-b	GA
Other countries and regions
Asia Pacific (Johor)	ap-southeast-1	3	AZ A: ap-southeast-1a AZ B: ap-southeast-1b AZ C: ap-southeast-1c	GA
Asia Pacific (Jakarta)	ap-southeast-3	3	AZ A: ap-southeast-3a AZ B: ap-southeast-3b AZ C: ap-southeast-3c	GA

Last updated: 2026.07.10 10:41:28