Muak language

Muak Sa-aak (autonym: mùak sɤ́ʔàak, meaning 'mountain slope') is an Angkuic language spoken in the Burma-China border region by over 4,000 people.

Demographics
There are some 4,460 Muak Sa-aak in Burma and China. Muak Sa-aak speakers are located primarily in Mong Yawng Township, Shan State, Burma (Hall 2010:4). There are at least 2 villages in China, with speakers possibly located in Thailand as well, though it would be nearly extinct there (Hall 2010).

Hall (2010) analyzes phonological data from the Muak Sa-aak village of Wan Fai, eastern Shan State, Burma, which has 620 people and is located very close to the Chinese border.