Amazon Elastic Compute Cloud
API Reference (API Version 2016-11-15)


Describes the Regions that are currently available to you. The API returns a list of all the Regions, including Regions that are disabled for your account. For information about enabling Regions for your account, see Enabling and Disabling Regions in the AWS Billing and Cost Management User Guide.

For a list of the Regions supported by Amazon EC2, see Regions and Endpoints.

Request Parameters

The following parameters are for this specific action. For more information about required and optional parameters that are common to all actions, see Common Query Parameters.


Checks whether you have the required permissions for the action, without actually making the request, and provides an error response. If you have the required permissions, the error response is DryRunOperation. Otherwise, it is UnauthorizedOperation.

Type: Boolean

Required: No


The filters.

  • endpoint - The endpoint of the Region (for example,

  • region-name - The name of the Region (for example, us-east-1).

Type: Array of Filter objects

Required: No


The names of the Regions.

Type: Array of strings

Required: No

Response Elements

The following elements are returned by the service.


Information about the Regions.

Type: Array of Region objects


The ID of the request.

Type: String


For information about the errors that are common to all actions, see Common Client Errors.


Example 1

This example displays information about all Regions.

Sample Request &AUTHPARAMS

Example 2

This example displays information about the specified Regions only.

Sample Request &RegionName.1=us-east-1 &RegionName.2=eu-west-1 &AUTHPARAMS

Sample Response

<DescribeRegionsResponse xmlns=""> <requestId>59dbff89-35bd-4eac-99ed-be587EXAMPLE</requestId> <regionInfo> <item> <regionName>us-east-1</regionName> <regionEndpoint></regionEndpoint> </item> <item> <regionName>eu-west-1</regionName> <regionEndpoint></regionEndpoint> </item> </regionInfo> </DescribeRegionsResponse>

See Also

For more information about using this API in one of the language-specific AWS SDKs, see the following: