Duala language

Douala
Native to	Cameroon
Ethnicity	Douala, Mungo
Native speakers	(90,000 cited 1982) 2 million L1 and L2 speakers in Douala (2013)
Language family	Niger–Congo Atlantic–Congo Benue–Congo Southern Bantoid Bantu (Zone A) Sawabantu (A.20) Douala
Dialects	Duala proper Bodiman Oli (Ewodi, Wuri) Pongo Mongo (Muungo)
Language codes
ISO 639-2
ISO 639-3
Glottolog	`dual1243`
Guthrie code	`A.24–26`

Jo
Native to	Cameroon
Region	around Douala
Native speakers	None
Language family	Douala-based pidgin
Language codes
ISO 639-3	None (`mis`)
Glottolog	None
Guthrie code	`A.20A`

Douala (also spelled "Duala Diwala, Dwela, Dualla, and Dwala) is a dialect cluster spoken by the Duala and Mungo peoples of Cameroon. The song "Soul Makossa", as well as pop songs that repeated its lyrics, internationally popularized the Duala word for "(I) dance", "makossa".[1] The song Alane by artist Wes Madiko is sung in Duala and reached #1 position in over 9 European countries.

Douala belongs to the Bantu language family, in a subgroup called Sawabantu. Maho (2009) treats Douala as a cluster of five languages: Douala proper, Bodiman, Oli (Ewodi, Wuri), Pongo, and Mongo. He also notes a Douala-based pidgin named Jo.

...
Wikipedia