function initMap() {
    var uluru = {lat: 40.966818, lng: 26.416215};
    var map = new google.maps.Map(document.getElementById('map'), {
      zoom: 10,
      center: uluru
    });

    var contentString = "<b>MULTIGRAIN - TARIM MAKİNALARI</b> Gökçedere Mevkii, Sarıcaali Kavşağı No: 384<br>İpsala, EDİRNE";

    var infowindow = new google.maps.InfoWindow({
      content: contentString
    });

    var marker = new google.maps.Marker({
      position: uluru,
      map: map,
      title: 'MULTIGRAIN - TARIM MAKİNALARI'
    });

    marker.addListener('click', function() {
      infowindow.open(map, marker);
    });
  }