Labrang Monastery is one of the six great monasteries of the Geluk (Yellow Hat) school of Tibetan Buddhism. Its formal name is Gandan Shaydrup Dargay Tashi Gyaysu Khyilway Ling, commonly known as Labrang Tashi Khyil, or simply Labrang. The monastery was founded in 1709 by the first Jamyang Zhaypa, Ngawang Tsondru. It is Tibetan Buddhism's most important monastery town outside the Tibetan Autonomous Region.