The Outback

 is the vast, remote, arid interior of Australia. The term "the outback" is generally used to refer to locations that are comparatively more remote than those areas named "the bush" which, colloquially, can refer to any lands outside the main urban areas.

The Outback is the setting for the Mad Max motion pictures, however area pertaining the video game is the Wasteland.

Background
After a global oil crisis and resultant nuclear war, the Outback has become a principal location of humanity, supporting many tribes, forts, and small towns. The Main Force Patrol, a staple of the wastes, attempts to enforce order and law in the lawless post-apocalypse; principle among these enforces is Max Rockatansky, known better by his nickname "Mad Max."