A Byzantine Patriarch is an alternative name for the Ecumenical Patriarch of Constantinople.
The Patriarch
The Ecumenical Patriarch (in Constantinople).
The patriarch was appointed by the bishops.
yes
The Patriarch of the Greek Orthodox Church was also the Byzantine Emperor, head of both Church and State.
Constantinople, was the political capital of the Byzantine Empire. It was also the religious center being the see of the Orthodox Patriarch of Constantinople.
No.
The emperor chose the patriarch of Constantinople, leading the Church official in the Byzantine Empire.The emperor became an autocrat and the head of the church as well as the state.
Most Orthodox churches call their leader a patriarch. However, the Coptic Orthodox Church of Alexandria uses the term pope. The Byzantine Rite of the Catholic Church as well as other eastern rites of the Catholic Church also uses the term patriarch, equivalent of an archbishop.
The Church had a massive influence on the leadership and control of The Byzantine Empire, as the Clergy were highly respected by all, and were given freedom and someone part of the government, a good example being the Ecumenical Patriarch.
Slavs definitely. Silly answer The highest Church official was the Patriarch, who was considered superior to all the Archbishops and bishops. When the Byzantine empire still controlled all the areas of the Levant and North Africa there were other Patriarchs at Antioch, Jerusalem and Alexandria. As he was in the imperial capital at Constantipole he was considered the most important when they met in Council. After the Muslim invasions the other patriarchs have dwindled to unimportance. The current Patriarch has a very small congregation in Istanbul, after the Greeks were expelled at the end if the first world war. He is still considered the head of the Orthodox Church, though the patriarch in Moskva controls far more adherents.
They were very closeley linked. Ex: Patriarch is a bishop of an important city. And the emperor was closely linked within/to this.