The Mongo are one of the Bantu groups of Central Africa, forming the second largest ethnic group in the Democratic Republic of Congo. They are a diverse collection of peoples living in the equatorial forest, south of the main Congo River bend and north of the Kasai and Sankuru Rivers. This area is in the south of the province of Équateur and the north of Bandundu Province.The Mongo speak either the Mongo language (also called Nkundo) or one of the related languages in the Bantu Mongo family.