This document summarizes the key physical features of the different regions of Asia. It describes the location, terrain, climate, vegetation cover, and size of Northern Asia, Western Asia, Southern Asia, Eastern Asia, Southeastern Asia, and Southwestern Asia. The regions are characterized by various landforms such as plains, mountains, plateaus, valleys and peninsulas. The climates range from temperate to tropical and monsoon-influenced. Vegetation includes rainforests, deserts, tundra, steppe and grasslands. The largest region is Eastern Asia while the smallest is Southwestern Asia.