Asia with its 30% of land area and almost 4 Billion people out of a total 7 Billion worldwide, is the largest and most populous continent. 
It consists of major regional areas including Central Asia, Indian subcontinent (South Asia), the Middle East (South West Asia), and South East Asia which includes China. Many of the tribes and indigenous people come landlocked regions, and other autonomous areas.
The following link shows a list of the tribes from Asia.
VIDEOS: CENTRAL ASIA
nations2tribes 