Area: 513,115 sq. km. (198,114 sq. mi.)
Cities: Capital--Bangkok (population 9,668,854); Nakhon Ratchasima (pop. 437,386 for Muang district and 2,565,685 for the whole province), Chiang Mai (pop. 247,672 for Muang district and 1,595,855 for the whole province).
Terrain: Densely populated central plain; northeastern plateau; mountain range in the west; southern isthmus joins the land mass with Malaysia.
Climate: Tropical monsoon.