public String getAvailabilityZone() {
        return this.availabilityZone;
    }
<p>
The Availability Zone in which to create your new database. Use the <code>us-east-2a</code> case-sensitive
format.
</p>
<p>
You can get a list of Availability Zones by using the <code>get regions</code> operation. Be sure to add the
<code>include relational database Availability Zones</code> parameter to your request.
</p>

@return The Availability Zone in which to create your new database. Use the <code>us-east-2a</code>
        case-sensitive format.</p>
        <p>
        You can get a list of Availability Zones by using the <code>get regions</code> operation. Be sure to add
        the <code>include relational database Availability Zones</code> parameter to your request.
aws-java-sdk-lightsail/src/main/java/com/amazonaws/services/lightsail/model/CreateRelationalDatabaseRequest.java