Liangshan Yi Autonomous Prefecture[a] (Northern Yi: /nɛ˨˩ʂa˧/) is an autonomous prefecture occupying much of the southern extremity of Sichuan province, People's Republic of China. Its seat is Xichang. Liangshan covers an area of 60,261 km 2 (23,267 sq mi) and has over 4.8 million inhabitants as of 2020. [1]