回答編集履歴
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追記
answer
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geochartの世界地図を使うのも手段としてはあると思います
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[https://developers.google.com/chart/interactive/docs/gallery/geochart](https://developers.google.com/chart/interactive/docs/gallery/geochart)
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[https://developers.google.com/chart/interactive/docs/gallery/geochart](https://developers.google.com/chart/interactive/docs/gallery/geochart)
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追記 2017/02/27 18:40
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例えばこんな風になる
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日本でgoogleブラジルでyahooに飛ぶように設定している
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```HTML
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<html>
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<head>
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<script type="text/javascript" src="https://www.gstatic.com/charts/loader.js"></script>
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<script type="text/javascript">
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google.charts.load('current', {'packages':['geochart']});
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google.charts.setOnLoadCallback(drawRegionsMap);
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function drawRegionsMap() {
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var data = google.visualization.arrayToDataTable([
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['国', 'Popularity'],
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['日本', '日本'],
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['ブラジル', 'ブラジル']
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]);
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var options = {};
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var chart = new google.visualization.GeoChart(document.getElementById('regions_div'));
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function selectHandler() {
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var selectedItem = chart.getSelection()[0];
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var row = selectedItem.row
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if (selectedItem) {
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switch (row){
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case 0:
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url ="https://www.google.co.jp/";
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break;
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case 1:
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url ="http://www.yahoo.co.jp/";
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break;
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}
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window.location.href = url;
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}
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}
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google.visualization.events.addListener(chart, 'select', selectHandler);
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chart.draw(data, options);
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}
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</script>
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</head>
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<body>
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<div id="regions_div" style="width: 900px; height: 500px;"></div>
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</body>
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</html>
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```
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