Zhangzhung
Zhangzhung (Tibetan: ཞང་ཞུང; Tibetan pinyin: Xangxang; Chinese: 象雄; pronounced Shangshung) was a kingdom of western China (Tibet) and northern India before the 7th century. The religion of Zhangzhung is Bon, and the people are sometimes called Bonpo. The Bon religion influenced Tibet and Tibetan Buddhism. The Zhangzhung are mentioned frequently in Tibetan texts as the original rulers of central and western Tibet.