<style> #map { height: 340px; width: 100%; margin: 0; padding: 0; } </style> <div id="map"></div> <script> function initMap() { var koord= {lat: 48.158061838643874, lng: 14.014214126341166}; var map = new google.maps.Map(document.getElementById('map'), { zoom: 16, zoomControl: true, center: koord }); var contentString1 = 'igo® <a href="https://maps.google.com/maps?ll=48.158061838643874,14.014214126341166&hl=de-DE&mapclient=apiv3&cid=15973218977742686739" >Maps</a>'; var infowindow = new google.maps.InfoWindow({ content: contentString1 }); var marker = new google.maps.Marker({ position: koord, map: map, title: 'igo®' }); google.maps.event.addListener(marker, 'click', function() { infowindow.open(map,marker); }); } </script> <script async="" defer="" src="https://maps.googleapis.com/maps/api/js?key=AIzaSyCdrYa7Xv3xW4GsP9q90YoW_LQAhDMivxM&callback=initMap"> </script>