A Sakya monastery in the Drakkar territory outside Liangzhou, modern-day Wuwei. Nub Padmo De was one of four monasteries that Sakya Paṇḍita Kunga Gyeltsen (sa skya paN+Di ta kun dga' rgyal mtshan, 1182-1251) and Pakpa Lodro Gyeltsen ('phags pa blo gros rgyal mtshan, 1235-1280) established in the region in the thirteenth century. The Third Changkya, Rolpai Dorje (lcang skya 03 rol pa'i rdo rje) was born in 1717 in the Drakkar territory of this monastery.