Markers Working Example

An example of a Google Geo Chart with markers

HTML

<script type="text/javascript" src="https://www.gstatic.com/charts/loader.js"></script>
<script type="text/javascript" src="https://www.google.com/jsapi"></script>
       <div id="regions_div" style="width: 900px; height: 500px;"></div>

JavaScript

google.charts.load('current', {'packages':['geochart']});
      google.charts.setOnLoadCallback(drawRegionsMap);

      function drawRegionsMap() {

        var data = google.visualization.arrayToDataTable([
          ['Country', 'Popularity'],
          ['Germany', 200],
          ['United States', 300],
          ['Brazil', 400],
          ['Canada', 500],
          ['France', 600],
          ['RU', 700]
        ]);

        var options = {
        displayMode:'markers',
        tooltip:{trigger:'focus'}
        };

        var chart = new google.visualization.GeoChart(document.getElementById('regions_div'));

        chart.draw(data, options);
      }