The Bilen are a Cushitic ethnic group in Eritrea. They are primarily concentrated in central Eritrea, in and around the city of Keren and further south toward Asmara, the nation's capital. They are split into two sub-tribes; Bet Tarqe, Bet Tawqe which are split into further clans known as Hissat. The Tawke has six whereas the Tarke has five which each are divided into smaller kinship groups.

The Agaw or Agew are Cushitic-speaking peoples native to the northern highlands of Ethiopia and neighboring Eritrea. They speak the Agaw languages, also known as the Central Cushitic languages, which belong to the Cushitic branch of the Afroasiatic language family, and are therefore closely related to peoples speaking other Cushitic languages.