As with the Yolgnu categories generally, the determining factor for identifying the Djaŋu as a distinct tribal group is based on the shared use in its various dialects of the defining word for the demonstrative pronoun 'this'.
The precise extent of Djaŋu country cannot be measured, given the fluid nature of the concept of tribal land in the area, but generally the live on the eastern coastland of Arnhem Bay, northwards as far as the English Company Islands.
Djaŋu society is organized in two clans, both belonging to the Yirritja moiety
- Man:atja. (Man(d)atja)
- Waramiri. (Warramiri, Warameri, Warumeri, Warranting, Burada, Buratha, Budalpudal, Buralbural)
- Bauer, Anastasia (2014). The Use of Signing Space in a Shared Sign Language of Australia. Walter de Gruyter. ISBN 978-1-614-51547-0.
- Tindale, Norman Barnett (1974). "Djangu (NT)". Aboriginal Tribes of Australia: Their Terrain, Environmental Controls, Distribution, Limits, and Proper Names. Australian National University. ISBN 978-0-708-10741-6.
- Warner, William Lloyd (1937). A Black Civilization: A Social Study of an Australian Tribe. Harper & Brothers.