The Saho are a Cushitic ethnic group who inhabit large sections of Eritrea and northern Ethiopia. They speak Saho as a mother tongue.

The Afar, also known as the Danakil, Adali and Odali, are a Cushitic ethnic group inhabiting the Horn of Africa. They primarily live in the Afar Region of Ethiopia and in northern Djibouti, as well as the entire southern coast of Eritrea. The Afar speak the Afar language, which is part of the Cushitic branch of the Afroasiatic family. Afars are the only inhabitants of the Horn of Africa whose traditional territories border both the Red Sea and the Gulf of Aden.