From Dragon Ball Encyclopedia, the ''Dragon Ball'' wiki
Bamboo Forest (バンブ の 森, Banbu no Mori) is a region on Planet Earth.
Bamboo Forest appeared in Dragon Ball Z: Attack of the Saiyans. It was located west of Metro East and east of Spinach Wastes. Enemies encountered here are Betrayers, Instructors, Tigers, Dangerous Pandas, Ghost Pots, and Lantern Ghosts.