Atype of map focusing on one idea or theme is called a

Hello.

A 'Thematic map' is map that focuses on a

specific theme or subject area.

This is in contrast to general reference maps,

which regularly show the variety of phenomena

—geological, geographical, political—together.

So you answer is A Thematic Map

Hope This helps (:

the answer is Thematic map which is a map that emphasizes a theme