public String getAvailabilityZone() {
        return this.availabilityZone;
    }
<p>
The Availability Zone where you want to create the disk (<code>us-east-2a</code>). Use the same Availability Zone
as the Lightsail instance to which you want to attach the disk.
</p>
<p>
Use the <code>get regions</code> operation to list the Availability Zones where Lightsail is currently available.
</p>

@return The Availability Zone where you want to create the disk (<code>us-east-2a</code>). Use the same
        Availability Zone as the Lightsail instance to which you want to attach the disk.</p>
        <p>
        Use the <code>get regions</code> operation to list the Availability Zones where Lightsail is currently
        available.
aws-java-sdk-lightsail/src/main/java/com/amazonaws/services/lightsail/model/CreateDiskRequest.java