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Add Circle on Google Maps

In this example you will learn how to add circle in google map.

Here you can view the output of the example and you can also "try it yourself" by clicking on "Live Demo" button given at the bottom.

Syntax

for (var i = 0;i <citymap.length; i++) { 
   var lat_lng = new  google.maps.LatLng(citymap[i].lat,citymap[i].lng);
    // Add the circle for this city to the map.  
    var cityCircle = new google.maps.Circle({  
      strokeColor: '#FF0000',  
      strokeOpacity: 0.8,  
      strokeWeight: 2,  
      fillColor: '#FF0000',  
      fillOpacity: 0.35,  
      map: map,  
      center: lat_lng,  
      radius: 90990.45454,
      draggable:false
    });  
  }

Add Circle on Google Maps Example

<!DOCTYPE html>  
<html>  
  <head>  
    <meta name="viewport" content="initial-scale=1.0, user-scalable=no">  
    <meta charset="utf-8">  
    <title>Add Circles on Google Map</title>  
    <style>  
      html, body {  
        height: 100%;  
        margin: 0;  
        padding: 0;  
      }  
      #map {  
        height: 99%;
        width:99%
      }  
    </style>  
        <script async defer  
        src="https://maps.googleapis.com/maps/api/js?signed_in=true&callback=initMap"></script>  
        <script>  
// First, create an object containing LatLng and population for each city.  
var citymap = [{lat:21.002471054356725, lng:79.12353515625},
{lat:18.396230138028827, lng:73.85009765625},
{lat:12.833226023521243, lng:77.62939453125},
{lat:10.941191793456534, lng:76.9921875},
{lat:17.623081791311755, lng:83.25439453125},
{lat:15.262988555023204, lng:74.091796875}];
  
function initMap() {  
  var lat_lng = {lat: 22.08672, lng: 79.42444};   
  var map = new google.maps.Map(document.getElementById('map'), {  
    zoom: 6,  
    center: lat_lng,  
    mapTypeId: google.maps.MapTypeId.TERRAIN  
  });  
  
  for (var i = 0;i <citymap.length; i++) { 
   var lat_lng = new  google.maps.LatLng(citymap[i].lat,citymap[i].lng);
    // Add the circle for this city to the map.  
    var cityCircle = new google.maps.Circle({  
      strokeColor: '#FF0000',  
      strokeOpacity: 0.8,  
      strokeWeight: 2,  
      fillColor: '#FF0000',  
      fillOpacity: 0.35,  
      map: map,  
      center: lat_lng,  
      radius: 90990.45454,
      draggable:false
    });  
  }  
}  
    </script>  
  </head>  
  <body>  
    <div id="map"></div>  
  </body>  
</html>

Above example will produce following output