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Documentation > Cloud Disk Service > Region and Availability Zone

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Region and Availability Zone

JD Cloud supports users to deploy cloud business at different locations, and to prevent simple point risk possibly brought by single region deployment, multiple availability zone deployment is suggested to be considered at the deployment scheme design stage.

Note: After creation of cloud disk, its region or availability zone cannot be changed.

JD.com and region/availability zone distribution

Mainland China

Region Name	Name of Availability Zone	City
North China - Beijing cn-north-1	Availability Zone A cn-north-1a	Beijing
North China - Beijing cn-north-1	Availability Zone A cn-north-1b	Beijing
North China - Beijing cn-north-1	Availability Zone A cn-north-1c	Beijing
East China-Suqian cn-east-1	Availability Zone A cn-east-1a	Suqian
East China - Shanghai cn-east-2	Availability Zone A cn-east-2a	Shanghai
East China - Shanghai cn-east-2	Availability Zone A cn-east-2b	Shanghai
East China - Shanghai cn-east-2	Availability Zone A cn-east-2c	Shanghai
South China - Guangzhou cn-south-1	Availability Zone A cn-south-1a	Guangzhou
South China - Guangzhou cn-south-1	Availability Zone A cn-south-1b	Guangzhou
South China - Guangzhou cn-south-1	Availability Zone A cn-south-1c	Guangzhou

Resource location

CDS is available in a single region and a single availability zone. You need to specify a single region and a single availability zone before creating the CDS, which can only be attached to instances in the same availability zone.

The Cloud disk snapshot service is available in all availability zones in a single region, and the snapshot can be created based on CDS. The Cloud disk snapshot can be used to create the CDS in the region. Support cross-region replication and sharing of Cloud disk snapshots.