Alternate Names: Biadju, Dayak Ngaju, Ngadju, Ngaja, Ngaju Dayak, Southwest Barito
Dialects: Ba’amang (Bara-Bare, Sampit), Kahayan, Kahayan Kapuas, Katingan Ngaju, Katingan Ngawa, Mantangai (Oloh Mangtangai), Pulopetak. Lexical similarity: 75% with Bakumpai ,, 62% with Kohin ,, 50% with Ot Danum ,, 35% with Banjar ,.
Genealogy:
Demographics: 890,000 (2003).
Language Development: Taught in primary schools. Taught as a subject in Palangkaraya since 1988 (Masinambow and Haenen 2002). Dictionary. Grammar. Bible: 1858–2005.
Writing System: Latin
Nation of Origin: Indonesia