Question

What is the use of Maps?

Answer 1

Maps are basically used to find places, but since there many types of maps , their uses vary according to that.eg., topography maps are used to grid references of a given place..

Answer 2

Maps are graphical representation of physical & political features of a country, state or of the world.
They are mainly used to know the exact location of a place. 
Place like Kolkata, Europe, Africa, India etc even seas, oceans, gulfs, can be located & their exact position can be known with the help of the maps.