Map Size: Medium
Vehicle Map: No
Banzai is one of the maps available in the second Call of Duty: World at War map pack.
According to callofduty.com:
Deep in the jungles of Japanese controlled territory, battle to control the tall river bridge in "Banzai" a bright, medium sized jungle map featuring a waterfall, villages and hidden caves well suited for deadly snipers, surprise attacks and all out gun battles.