The Mosuo (; also spelled Moso or Musuo), often called the Na among themselves, is a small ethnic group living in Yunnan and Sichuan Provinces in China, close to the border with Tibet. Consisting of a population of approximately 40,000, many of them live in the Yongning region, around Lugu Lake, in Labai, in Muli, and in Yanyuan, located high in the Himalayas ().