Polis

Objectpolis (1st Area)
Objectpolis is a large city similar like a present day.

Speakerpolis (3rd Area)
Speakerpolis is a small-medium towns.

Davidtown (2nd Area)
Davidtown is a smallest city with bunch of little-medium buildings.

Mepolis (4th Area)
Mepolis is a larger futuristic-like cities with a bunch of large buildings.