Lozi, also known as Silozi and Rozi, is a Bantu language of the Niger–Congo language family within the Sotho–Tswana branch of Zone S (S.30), that is spoken by the Lozi people, primarily in southwestern Zambia and in Namibia. The language is most closely related to Northern Sotho, Tswana (Setswana), Kgalagari (SheKgalagari) and Sotho. Lozi is sometimes written as Rotse. Silozi is the endonym.