Ethiopia via modern day Eritrea, which was ruled by Ashama ibn Abjar, a pious Christian king. Moreover, Bilal ibn Ribah, the first Muezzin, the person chosen to call the faithful to prayer, and one of the foremost companions of Muhammad, was from Abyssinia (Eritrea, Ethiopia etc.). Also, the largest single ethnic group of non-Arab Companions of Muhammad was that of the Ethiopians.
A small ancient group of Jews, the Beta Israel, live in northwestern Ethiopia, though most emigrated to Israel in the last decades of the 20th century as part of the rescue missions undertaken by the Israeli government, Operation Moses and Operation Solomon. Some Israeli and Jewish scholars consider these Ethiopian Jews as a historical Lost Tribe of Israel.
There are numerous indigenous African religions in Ethiopia, mainly located in the far southwest and western borderlands. In general, most of the (largely members of the non-Chalcedonian Ethiopian Orthodox Tewahedo Church) Christians live in the highlands, while Muslims and adherents of traditional African religions tend to inhabit more lowland regions in the east and south of the country
