The Map in Counter Strike:

In CS, exist a lot of map about 10000 maybe because anybody can create a map. This is a site which explains you how create a map : "superjer"

But what is a map?
A map is the place where you play, example a city or a factory...

In this page I show you the official map, the map where you can play in tournaiment, because tournaiment exist in counter strike but you can see more detail in this site : "CSmap"

THE OFFICIAL MAP:

1) de_dust2:

Environment
Desert, Rocky, Canyon

2) de_inferno:

Environment
City, Italy.

3) de_train :

Environment
Railway station.

5) de_nuke :

Environment
military place, rocket, factory.