Call of Duty 4 Standard Maps:

1. Ambush: Large desert town with a small sewer. The road in the central open area has a few blown-up tanks
2. Backlot: Medium-sized desert town under construction with 2 mounted machine guns
3. Bloc: Large Russian apartment bloc area surrounding a courtyard
4. Bog: Open desert bog with a few buildings
5. Countdown: Open missile launch pad area with a great deal of cover opportunities
6. Crash: Medium-sized desert town square with a crashed helicoptor
7. Crossfire: Small desert town with an L-shaped road and buildings each side of the road
8. District: Large desert town with small streets and a market
9. Downpour: Large rainy Russian farm area with 2 mounted machine guns and a trench
10. Overgrown: Large overgrown rural Russian area with a trench in the center and one mounted machine gun
11. Pipeline: Russian train yard with storehouse buildings, narrow underground maintenance corridors, and a mounted machine gun
12. Shipment: Small Russian shipyard with containers. Very little cover
13. Showdown: Small desert arena containing a town market and surrounding galleries
14. Strike: Large desert town
15. Vacant: Deserted Russian office building
16. Wet Work: Cargo ship with a maze of containers on the deck, platform in the center, and a 'bridge' on each end

Variety Map Pack:

1. Killhouse
2. Creek
3. Broadcast
4. Chinatown

CoD4 Community Map Contest Map :

1. Forsaken Industry
2. Valhalla
3. Toy Soldiers
4. Doomed
5. Bacalao