Bas-Uele province: Poko territory; Haut-Uele province: Niangara, Rungu, Wamba, and Watsa territories; Tshopo province: northeast corner of Banalia territory. Haut-Uele province: Wamba territory (Aberu dialect); Tshopo province: Banalia territory (Popoi dialect).
Aberu, Meje (Medje, Meegye), Mangbetu, Makere, Malele, Popoi. Medje dialect has most speakers, and is most widely understood.
Latin script [Latn].