TIBET here means the whole of Tibet known as Cholka-Sum (U-Tsang, Kham and Amdo). It includes the present-day Chinese administrative areas of the so-called Tibet Autonomous Region, Qinghai Province, two Tibetan Autonomous Prefectures and one Tibetan Autonomous County in Sichuan Province, one Tibetan Autonomous Prefecture and one Tibetan Autonomous County in Gansu Province and one Tibetan Autonomous Prefecture in Yunnan Province.