Google Maps Class Diagram. I would argue it depends on the level of abstraction at which your diagram sits. Search the worlds information including webpages images videos and more.
The uml class diagram is a graphical notation used to construct and visualize object oriented systems. Find local businesses view maps and get driving directions in google maps. Choose from a wide variety of shapes to create diagrams and charts.
Krus answer is the best but it still only hints at a map.
Google map could be such a system. If its relatively low and you really need to show a map intentionally showing implementation related detail id go with the following. Select a suggested template to customize or a blank document from the pop up. Use createlys easy online diagram editor to edit this diagram collaborate with others and export results to multiple image formats.