Biri

Biri is the Tibetan chiefdom of the upper Yellow River bend around Trika, the present-day Guide region in Amdo, recorded in Chinese sources as Bili.

Under the Yuan it was the Bili ten-thousand-household office of the Phagpa administration. The early Ming turned it into the Bili guard, and in the Xuande reign of 1426 to 1435 its Buddhist leader was made state preceptor, so that the area was governed by a monastic government under imperial tusi overlordship.