public String getAvailabilityZone() {
        return this.availabilityZone;
    }
<p>
The Availability Zone in which to create your instance. Use the following format: <code>us-east-2a</code> (case
sensitive). You can get a list of Availability Zones by using the <a
href="http://docs.aws.amazon.com/lightsail/2016-11-28/api-reference/API_GetRegions.html">get regions</a>
operation. Be sure to add the <code>include Availability Zones</code> parameter to your request.
</p>

@return The Availability Zone in which to create your instance. Use the following format: <code>us-east-2a</code>
        (case sensitive). You can get a list of Availability Zones by using the <a
        href="http://docs.aws.amazon.com/lightsail/2016-11-28/api-reference/API_GetRegions.html">get regions</a>
        operation. Be sure to add the <code>include Availability Zones</code> parameter to your request.
aws-java-sdk-lightsail/src/main/java/com/amazonaws/services/lightsail/model/CreateInstancesRequest.java