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

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DescribeRegions

Describes the Regions that are enabled for your account, or all Regions.

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

For information about enabling and disabling Regions for your account, see Managing AWS Regions in the AWS General Reference.

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.

AllRegions

Indicates whether to display all Regions, including Regions that are disabled for your account.

Type: Boolean

Required: No

DryRun

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

Filter.N

The filters.

  • endpoint - The endpoint of the Region (for example, ec2.us-east-1.amazonaws.com).

  • opt-in-status - The opt-in status of the Region (opt-in-not-required | opted-in | not-opted-in).

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

Type: Array of Filter objects

Required: No

RegionName.N

The names of the Regions. You can specify any Regions, whether they are enabled and disabled for your account.

Type: Array of strings

Required: No

Response Elements

The following elements are returned by the service.

regionInfo

Information about the Regions.

Type: Array of Region objects

requestId

The ID of the request.

Type: String

Errors

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

Examples

Example 1

This example displays information about all Regions enabled for your account.

Sample Request

https://ec2.amazonaws.com/?Action=DescribeRegions &AUTHPARAMS

Example 2

This example displays information about all Regions, even the Regions that are disabled for your account.

Sample Request

https://ec2.amazonaws.com/?Action=DescribeRegions &AllRegions=true &AUTHPARAMS

Example 3

This example displays information about the specified Regions only.

Sample Request

https://ec2.amazonaws.com/?Action=DescribeRegions &RegionName.1=us-east-1 &RegionName.2=eu-west-1 &AUTHPARAMS

Sample Response

<DescribeRegionsResponse xmlns="http://ec2.amazonaws.com/doc/2016-11-15/"> <requestId>59dbff89-35bd-4eac-99ed-be587EXAMPLE</requestId> <regionInfo> <item> <regionName>us-east-1</regionName> <regionEndpoint>ec2.us-east-1.amazonaws.com</regionEndpoint> </item> <item> <regionName>eu-west-1</regionName> <regionEndpoint>ec2.eu-west-1.amazonaws.com</regionEndpoint> </item> </regionInfo> </DescribeRegionsResponse>

See Also

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