The country is divided into five distinct physiographic regions: the folded mountains in the north and west, the Khorat Plateau in the northeast, the Chao Phraya River basin in the centre, the maritime corner of the central region in the southeast, and the long, slender peninsular portion in the southwest.
All
Climate patters - people migrate to temperate regions
Traditions - people migrate to areas where famous things happened
Elevations - most people don't live in the mountains
Ethnicity, Religion, Language - people of the same ethnicity, religion, and/or language will stay together
There is no image but it would be the ocean