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Restricting Map Bounds

  • This example demonstrates how to restrict the panning and zooming boundaries of a Google Map to a specific region, in this case, New Zealand.

  • The map is initialized centered on Auckland, New Zealand, and users can explore other cities within the country.

  • Users are prevented from panning or zooming outside the defined boundaries of New Zealand.

  • The sample code is provided in both TypeScript and JavaScript, along with HTML and CSS for styling and structure.

This example creates a map that starts in Auckland, New Zealand. The map isrestricted to New Zealand. The user can pan away from Auckland and explore otherNew Zealand cities, but the user cannot pan or zoom to beyond the constraints set on the map.

Try panning north, or zooming out, to see what happens when a user tries to movebeyond these boundaries.

TypeScript

letmap:google.maps.Map;constNEW_ZEALAND_BOUNDS={north:-34.36,south:-47.35,west:166.28,east:-175.81,};constAUCKLAND={lat:-37.06,lng:174.58};functioninitMap():void{map=newgoogle.maps.Map(document.getElementById("map")asHTMLElement,{center:AUCKLAND,restriction:{latLngBounds:NEW_ZEALAND_BOUNDS,strictBounds:false,},zoom:7,});}declareglobal{interfaceWindow{initMap:()=>void;}}window.initMap=initMap;
Note: Read theguide on using TypeScript and Google Maps.

JavaScript

letmap;constNEW_ZEALAND_BOUNDS={north:-34.36,south:-47.35,west:166.28,east:-175.81,};constAUCKLAND={lat:-37.06,lng:174.58};functioninitMap(){map=newgoogle.maps.Map(document.getElementById("map"),{center:AUCKLAND,restriction:{latLngBounds:NEW_ZEALAND_BOUNDS,strictBounds:false,},zoom:7,});}window.initMap=initMap;
Note: The JavaScript is compiled from the TypeScript snippet.

CSS

/* * Always set the map height explicitly to define the size of the div element * that contains the map. */#map{height:100%;}/* * Optional: Makes the sample page fill the window. */html,body{height:100%;margin:0;padding:0;}

HTML

<html>  <head>    <title>Map Bounds Restriction</title>    <link rel="stylesheet" type="text/css" href="./style.css" />    <script type="module" src="./index.js"></script>  </head>  <body>    <div></div>    <!--       The `defer` attribute causes the script to execute after the full HTML      document has been parsed. For non-blocking uses, avoiding race conditions,      and consistent behavior across browsers, consider loading using Promises. See      https://developers.google.com/maps/documentation/javascript/load-maps-js-api      for more information.      -->    <script      src="https://maps.googleapis.com/maps/api/js?key=AIzaSyB41DRUbKWJHPxaFjMAwdrzWzbVKartNGg&callback=initMap&v=weekly"      defer    ></script>  </body></html>

Try Sample

Clone Sample

Git and Node.js are required to run this sample locally. Follow theseinstructions to install Node.js and NPM. The following commands clone, install dependencies and start the sample application.

gitclone-bsample-control-bounds-restrictionhttps://github.com/googlemaps/js-samples.gitcdjs-samplesnpminpmstart

Other samples can be tried by switching to any branch beginning withsample-SAMPLE_NAME.

gitcheckoutsample-SAMPLE_NAMEnpminpmstart

Except as otherwise noted, the content of this page is licensed under theCreative Commons Attribution 4.0 License, and code samples are licensed under theApache 2.0 License. For details, see theGoogle Developers Site Policies. Java is a registered trademark of Oracle and/or its affiliates.

Last updated 2025-12-11 UTC.