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    <p>Yes, that's quite possible, but that in turn also depends on whether the client's webbrowser <a href="http://caniuse.com/geolocation" rel="nofollow">supports</a> HTML5 <a href="https://developer.mozilla.org/en-US/docs/WebAPI/Using_geolocation" rel="nofollow"><code>navigator.geolocation</code></a> and/or you're using the <a href="https://developers.google.com/loader/" rel="nofollow">Google Loader API</a> as fallback.</p> <p>You can grab a reference to the concrete GMap JavaScript object by <code>widgetVarName.getMap()</code> where <code>widgetVarName</code> is the <code>&lt;p:gmap widgetVar&gt;</code>. Then you can use the <a href="https://developers.google.com/maps/documentation/javascript/reference" rel="nofollow">GMap JavaScript API</a> methods on it the usual way such as <code>setCenter()</code>.</p> <p>Here's a kickoff example, provided that you want to check the geolocation by the HTML5 <code>navigator.geolocation</code> and use the Google Loader API as fallback.</p> <pre><code>&lt;script type="text/javascript" src="http://maps.google.com/maps/api/js?sensor=true"&gt;&lt;/script&gt; &lt;script type="text/javascript" src="http://www.google.com/jsapi"&gt;&lt;/script&gt; &lt;p:gmap widgetVar="w_gmap" type="HYBRID" center="41.381542, 2.122893" zoom="15" style="width:600px;height:400px" /&gt; &lt;script type="text/javascript"&gt; if (navigator.geolocation) { checkGeolocationByHTML5(); } else { checkGeolocationByLoaderAPI(); // HTML5 not supported! Fall back to Loader API. } function checkGeolocationByHTML5() { navigator.geolocation.getCurrentPosition(function(position) { setMapCenter(position.coords.latitude, position.coords.longitude); }, function() { checkGeolocationByLoaderAPI(); // Error! Fall back to Loader API. }); } function checkGeolocationByLoaderAPI() { if (google.loader.ClientLocation) { setMapCenter(google.loader.ClientLocation.latitude, google.loader.ClientLocation.longitude); } else { // Unsupported! Show error/warning? } } function setMapCenter(latitude, longitude) { w_gmap.getMap().setCenter(new google.maps.LatLng(latitude, longitude)); } &lt;/script&gt; </code></pre> <p>Note: the initial center location of <code>41.381542, 2.122893</code> is copypasted from <a href="http://www.primefaces.org/showcase/ui/gmapBasic.jsf" rel="nofollow">PrimeFaces showcase</a> which I think represents the football stadium of their favourite club :) You're free to change it to anything else, e.g. the location of your own company.</p> <p>Also note that the average webbrowser will for security reasons ask the enduser for confirmation to share the location. See also <a href="https://support.google.com/chrome/answer/142065?hl=en" rel="nofollow">Google Chrome documentation</a> and <a href="http://www.mozilla.org/en-US/firefox/geolocation/" rel="nofollow">Mozilla Firefox documentation</a> on the subject. You <strong>cannot</strong> turn off this part. The enduser has really to explicitly accept the request. If the enduser disallows it, it'll stick at the initial center location.</p>
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