Queries regions in an area.


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 No DescribeGeographicRegionMembership

The operation that you want to perform. Set the value to DescribeGeographicRegionMembership.

GeographicRegionId String Yes china

The ID of the area that you want to query. Valid values:

  • china: mainland China
  • asia-pacific: Asia Pacific
  • europe: Europe
  • australia: Australia
  • north-america: North America
PageNumber Integer No 1

The number of the page to return. Default value: 1.

PageSize Integer No 10

The number of entries to return per page. Default value: 10. Valid values: 1 to 50.

Response parameters

Parameter Type Example Description
PageNumber Integer 10

The page number of the returned page.

PageSize Integer 2

The number of entries returned per page.

RegionIds Array of RegionId

The list of regions.

RegionId String us-west-1

The ID of the region.

You can call the DescribeChildInstanceRegions operation to query the most recent region list.

RequestId String DC9EB0C9-60AF-4A09-A36C-608F70130274

The ID of the request.

TotalCount Integer 2

The total number of entries returned.


Sample requests

&<Common request parameters>

Sample success responses

XML format


JSON format


Error codes

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