Sak is a Sino-Tibetan language of the Sal branch spoken in Burma and China. The various varieties are generally considered separate Sak or Luish languages: Kado (Settaw, Mawkhwin, and Mawteik [extinct] dialects; 30,000 speakers), and Kanan (Nanza; 9,000 speakers). Andro and Sengmai are extinct and known only from a glossary recorded in 1859, their speakers having switched to Meithei.The Kado/Kanan speak Burmese and Chakma Bengali.