Question: What church based in Egypt, Northeast Africa and the Middle East, also features the former Christian diocese, Diocese of Buto? 

Context paragraphs:
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.

Christianity in Karnataka: Christianity is a minority religion within Karnataka, a state of India.  Mangalorean Catholics are a community of centuries, though there also are Mangalorean Protestants.  A Roman Catholic Diocese of Mangalore, a Roman Catholic Diocese of Belgaum, a Roman Catholic Archdiocese of Bangalore, a Roman Catholic Diocese of Bellary, a Roman Catholic Diocese of Gulbarga, a Roman Catholic Diocese of Shimoga, a Roman Catholic Diocese of Mysore, a Roman Catholic Diocese of Karwar, a Roman Catholic Diocese of Udupi are present in Karnataka.  The second largest church in Karnataka is the Church of South India with Karnataka Central Diocese, Karnataka Northern Diocese and the Karnataka Southern Diocese.  Gangavathy has Mennonite Brethren Churches.  An Anglican Body-India Christian Mission Church has its existence in Doddaballapur of Bangalore rural right from 1920s.  There is also an Orthodox Diocese of Bangalore.  The state had a relatively high number of anti-Christian attacks in 2009.  More than 20 churches were devastated by the Hindu nationalist movement Bajrang Dal in 2008.  In 2008, Karnataka had more than 100 anti-Christian attacks.

Diocese of Noba: The diocese of Noba (in Latin: Dioecesis Nobensis) is a former Christian diocese located in present-day Algeria.  It is currently a Catholic Church titular see.

Diocese of Marocco: The Diocese of Marocco, also named Marrakesh (like the modern city, in cognate Morocco) or Marruecos, is a former Christian diocese.  It is presently a Latin Catholic titular see.

Titular Bishopric of Vita: The Titular Bishopric of Vita (Vitensis) was a Roman–Berber civitas in Africa Proconsularis.  It is a former Christian diocese and Latin Catholic titular see.  The name Vita means life.

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.  The head of the Church and the See of Alexandria is the Patriarch of Alexandria on the Holy See of Saint Mark, who also carries the title of Coptic Pope.  The See of Alexandria is titular, and today the Coptic Pope presides from Saint Mark's Coptic Orthodox Cathedral in the Abbassia District in Cairo.  With 18–22 million members worldwide, whereof about 20 million are in Egypt (see Demographics section below), it is the country's largest Christian church.

Diocese of Sita: The Diocese of Sita (Latin: Dioecesis Sitensis) was a Christian diocese in Africa Proconsularis.  It is presently a bishopric of the Roman Catholic Church.

Population history of Egypt: Egypt has a long and involved demographic history.  This is partly due to the territory's geographical location at the crossroads of several major cultural areas: Northeast Africa, the Maghreb, the Sahara, Sub-Saharan Africa, the Middle East, and the Mediterranean.  In addition, Egypt has experienced several invasions during its long history, including by the Canaanites, the Ancient Libyans, the Assyrians, the Kushites (a Nubian civilization), the Persians, the Greeks, the Romans, and the Arabs.

Anglican Diocese of Egypt: The Anglican Diocese of Egypt is a diocese of the Episcopal Church in Jerusalem and the Middle East.  It was originally part of the Diocese of Jerusalem, founded in 1841 by the Archbishop of Canterbury.  The Diocese of Egypt was later given autonomy and its first bishop was Llwellyn Gwynne (1920-1946).

Diocese of Cyprus and the Gulf: The Diocese of Cyprus and the Gulf is one of four dioceses in the Episcopal Church in Jerusalem and the Middle East, a province in the Anglican Communion.  It covers Cyprus and the Arabian Peninsula, Iraq and Yemen.  The Bishop in Cyprus and the Gulf is the Ordinary of the diocese.  In every part of the diocese, except in Cyprus and Iraq, the congregations are largely expatriate, with many Christians from Pakistan, India, Sri Lanka, the Philippines and the African continent.  The Diocese is linked with the Diocese of Exeter in England and the Diocese of Thika in Kenya.  The Diocese is divided into the Archdeaconry of Cyprus and the Archdeaconry of the Gulf.

Supporting paragraphs: Diocese of Buto Coptic Orthodox Church of Alexandria
Answer: Coptic Orthodox Church of Alexandria