The Nilo-Saharan language family is a group of languages primarily spoken in parts of northeastern Africa, including countries like Sudan, South Sudan, Uganda, and Kenya. This family includes several languages, such as Dinka, Nuer, and Kanuri, which are used by various ethnic groups in the region. Linguists categorize the Nilo-Saharan languages into several branches, with some of the most notable being Eastern Sudanic and Central Sudanic. These languages share common features, such as similar grammatical structures and vocabulary, reflecting their historical connections and the cultural interactions among the communities that speak them.