The term 'Group of Bantu Languages' refers to a family of languages spoken in Sub-Saharan Africa. This group includes two of the most widely spoken languages in the region, Nguni and Sotho. Nguni is a language spoken by the Zulu people in South Africa, while Sotho is spoken by the Basotho people in Lesotho. Both languages are part of the Bantu language family, which is one of the largest language families in the world.