L1 users: 1,100,000 (2000 census).
Sumatera Utara province: south interior from Padang Sidempuan into Riau and Sumatera Barat provinces.
None known. Sociolinguistically different from Angkola Batak [akb].
Shifting to Indonesian [ind] in urban and migrant areas. Mixed use: Home, Community, Work, Religion. Some young people, all adults.
Batak script [Batk].
A general form of Batak common to a wider area than Angkola. Muslim.