Queries available regions in Alibaba Cloud.


OpenAPI Explorer automatically calculates the signature value. For your convenience, we recommend that you call this operation in OpenAPI Explorer. OpenAPI Explorer dynamically generates the sample code of the operation for different SDKs.

Request parameters

Parameter Type Required Example Description
Action String Yes DescribeRegions

The operation that you want to perform.

Set the value to DescribeRegions.

PageSize Integer No 10

The number of entries to return on each page.

Valid values: 1 to 100.

Default value: 10.

PageNumber Integer No 1

The number of the page to return.

Minimum value: 1. Default value: 1.

FileSystemType String No standard

The type of the file system.

Default value: standard. Valid values:

  • standard: General-purpose NAS file systems.
  • extreme: Extreme NAS file systems.
  • cpfs: CPFS file systems.

Response parameters

Parameter Type Example Description
PageNumber Integer 1

The number of the returned page.

PageSize Integer 10

The number of entries returned per page.

Regions Array of Region

The list of regions.

LocalName String East China 1

The name of the region.

RegionEndpoint String nas.cn-hangzhou.aliyuncs.com

The endpoint of the region.

RegionId String cn-hangzhou

The ID of the region.

RequestId String A70BEE5D-76D3-49FB-B58F-1F398211****

The ID of the request.

TotalCount Integer 1

The total number of the regions.


Sample requests

http(s)://[Endpoint]/? Action=DescribeRegions
&<Common request parameters>

Sample success responses

XML format

        <LocalName>East China 1</LocalName>

JSON format

    "TotalCount": 1,
    "PageSize": 10,
    "RequestId": "A70BEE5D-76D3-49FB-B58F-1F398211****",
    "PageNumber": 1,
    "Regions": {
        "Region": {
            "RegionId": "cn-hangzhou",
            "RegionEndpoint": "nas.cn-hangzhou.aliyuncs.com",
            "LocalName": "East China 1"

Error codes

For a list of error codes, visit the API Error Center.