What church based in Egypt, Northeast Africa and the Middle East, also features the former Christian diocese, Diocese of Buto? 
Diocese of Buto: The Diocese of Buto (Latin Butus, Greek Butos) is a former Christian diocese and titular see of both the Roman Catholic and Coptic Orthodox Churches, with see in the Ancient City of Buto in the Nile Delta of Egypt. Coptic Orthodox Church of Alexandria: The Coptic Orthodox Church of Alexandria is an Oriental Orthodox Christian church based in Egypt, Northeast Africa and the Middle East.
Coptic Orthodox Church of Alexandria