Temperate areas have everything needed for humanoid civilizations to thrive.
Plains
The fertile prairie, the open plains, the verdant fields.
Mountains
Jagged terrain at the edge of civilization.
Desert
The bramble-filled scrublands.
Swamp
Flooded fens and bogs.
Hills
The foothills that surround civilization.
Forest
Primarily consisting of deciduous trees, occasional pines and firs dot the landscape.