With Datawrapper you can create zoomable, responsive maps of Greece › Prefectures (and over 2500 other regions) for free. They're zoomable, responsive, and interactive. Learn more about the maps you can create with Datawrapper here.
Click on the button to create a map like this that you can embed on your website. You can add data to the Greece › Prefectures map using the following keys: