Throughout much of northern Africa, Afro-Asiatic language Family predominates. One branch of this language family is Semitic, which includes Arabic, as well as Amharic and Tigrinya, which are spoken in the Horn of Africa. The Cushitic branch extends south from the Red Sea coast, through the Horn of Africa, and into central Kenya and Tanzania. Its most commonly spoken languages are Somali and Oromo. The Chadic branch includes Hausa, widely spoken in Niger and northern Nigeria. Berber is yet a fourth branch of the Afro-Asiatic Language Family, and includes the language of the Tuareg of the Sahara as well as many other tongues spoken in and around the Atlas Mountains of northwestern Africa.