L1 users: 20,000 (Salminen 2007). Ethnic population: 92,000 (1980). Total users in all countries: 22,000.
Arkab, Artasen, Artvin, Atin, Bolu, Hopa, Kemer, Kocaeli, Rize, Sakarya, Sarp, and Vitse provinces.
None known. Officially considered a single language with Mingrelian [xmf], called, Zan, although not mutually inherently intelligible.