12,000 (1990 SIL).
Guéra region: Guéra department, Bitkine subprefecture, Djarkatché, Doli, Gougué, Morgué, Moukoulou, and Séguine villages below Guera massif.
Mokilko, Seginki, Doliki, Moriko, Mezimko, Gugiko.
All domains. All ages. Also use Chadian Spoken Arabic [shu], but with low proficiency.
Latin script [Latn].
Gergiko and Gergagi (pl.) are umbrella terms of recent creation to include all villages and dialects of this language, since Mukulu (or Mokilko), which is always used in the literature, properly designates only the principal village and its speech. Traditional religion.