public void setGatewayRegion(String gatewayRegion) {
        this.gatewayRegion = gatewayRegion;
    }
<p>
A value that indicates the Amazon Web Services Region where you want to store your data. The gateway Amazon Web
Services Region specified must be the same Amazon Web Services Region as the Amazon Web Services Region in your
<code>Host</code> header in the request. For more information about available Amazon Web Services Regions and
endpoints for Storage Gateway, see <a href="https://docs.aws.amazon.com/general/latest/gr/sg.html"> Storage
Gateway endpoints and quotas</a> in the <i>Amazon Web Services General Reference</i>.
</p>
<p>
Valid Values: See <a href="https://docs.aws.amazon.com/general/latest/gr/sg.html"> Storage Gateway endpoints and
quotas</a> in the <i>Amazon Web Services General Reference</i>.
</p>

@param gatewayRegion
       A value that indicates the Amazon Web Services Region where you want to store your data. The gateway
       Amazon Web Services Region specified must be the same Amazon Web Services Region as the Amazon Web
       Services Region in your <code>Host</code> header in the request. For more information about available
       Amazon Web Services Regions and endpoints for Storage Gateway, see <a
       href="https://docs.aws.amazon.com/general/latest/gr/sg.html"> Storage Gateway endpoints and quotas</a> in
       the <i>Amazon Web Services General Reference</i>.</p>
       <p>
       Valid Values: See <a href="https://docs.aws.amazon.com/general/latest/gr/sg.html"> Storage Gateway
       endpoints and quotas</a> in the <i>Amazon Web Services General Reference</i>.
aws-java-sdk-storagegateway/src/main/java/com/amazonaws/services/storagegateway/model/ActivateGatewayRequest.java