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Polygon Example for Google Maps API

View Example


The key is to use google.maps.Polygon class. To hide the polygon, use polygon.setMap(null);

Source Code

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "">
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Google Map API V3: Polygon Example</title>
<script type="text/javascript" src=""></script>
<style type="text/css">
body { margin: 20; padding: 20 }
	width: 740px;
	height: 400px;
<script type="text/javascript">
      function initialize() {
        var mapOptions = {
          center: new google.maps.LatLng(37.286172, -121.80929),
          zoom: 8,
          mapTypeId: google.maps.MapTypeId.ROADMAP
        var map = new google.maps.Map(document.getElementById("map_canvas"),

        var coords = [
            new google.maps.LatLng(37.286172, -121.80929),
            new google.maps.LatLng(37.086172, -121.60929),
            new google.maps.LatLng(37.486172, -121.40929),
            new google.maps.LatLng(37.286172, -121.80929)

        var polygon = new google.maps.Polygon({
            paths: coords,
            strokeColor: '#FF0000',
            strokeOpacity: 0.8,
            strokeWeight: 1,
            fillColor: '#00FF00',
            fillOpacity: 0.35

<body onload="initialize()">
<div id="map_canvas"></div>