AWS SDK Version 3 for .NET
API Reference

AWS services or capabilities described in AWS Documentation may vary by region/location. Click Getting Started with Amazon AWS to see specific differences applicable to the China (Beijing) Region.

Describes the Availability Zones, Local Zones, and Wavelength Zones that are available to you. If there is an event impacting a zone, you can use this request to view the state and any provided messages for that zone.

For more information about Availability Zones, Local Zones, and Wavelength Zones, see Regions and zones in the Amazon Elastic Compute Cloud User Guide.


For .NET Core this operation is only available in asynchronous form. Please refer to DescribeAvailabilityZonesAsync.

Namespace: Amazon.EC2
Assembly: AWSSDK.EC2.dll
Version: 3.x.y.z


public virtual DescribeAvailabilityZonesResponse DescribeAvailabilityZones(
         DescribeAvailabilityZonesRequest request


Type: Amazon.EC2.Model.DescribeAvailabilityZonesRequest

Container for the necessary parameters to execute the DescribeAvailabilityZones service method.

Return Value

The response from the DescribeAvailabilityZones service method, as returned by EC2.


This example describes the Availability Zones that are available to you. The response includes Availability Zones only for the current region.

To describe your Availability Zones

var client = new AmazonEC2Client();
var response = client.DescribeAvailabilityZones(new DescribeAvailabilityZonesRequest 

List<AvailabilityZone> availabilityZones = response.AvailabilityZones;


Version Information

.NET Framework:
Supported in: 4.5, 4.0, 3.5

See Also