Mbay also known as Mbai or Mbaye or Mbay moissala or Sara mbai or Moissala mbai is a language spoken in Cameroon, Central african republic, Chad and Nigeria by the Mbay people.
It belongs to the Bongo–Bagirmi group of languages .
Mbay language has approximately 450,000 native speakers.
The language has 6 dialects; Bédjou, Kan, Ngoka, Bédégué, Mougo and Bbate.