<P> With the mutual excommunications of the East--West Schism in 1054, the churches in Rome and Constantinople each viewed the other as having departed from the true Church, leaving a smaller but still - catholic Church in place . Each retained the "Catholic" part of its title, the "Catholic Church" (or "Roman Catholic Church") on the one hand, and the "Orthodox Catholic Church" on the other, each of which was defined in terms of inter-communion with either Rome or Constantinople . While the Eastern Orthodox Church recognizes what it shares in common with other churches, including the Roman Catholic Church, it sees catholicity in terms of complete union in communion and faith, with the Church throughout all time, and the sharing remains incomplete when not shared fully . </P> <P> The religious authority for Eastern Orthodoxy is not a Patriarch or the Pope as in Roman Catholicism, nor the Bible as in Protestantism, but the scriptures as interpreted by the seven ecumenical councils of the Church . The Eastern Orthodox Church is a fellowship of "autocephalous" (Greek for self - headed) Churches, with the Ecumenical Patriarch of Constantinople being the only autocephalous head who holds the title primus inter pares, meaning "first among equals" in Latin . The Patriarch of Constantinople has the honor of primacy, but his title is only first among equals and has no real authority over Churches other than the Constantinopolitan . The Eastern Orthodox Church considers Jesus Christ to be the head of the Church and the Church to be his body . It is believed that authority and the grace of God is directly passed down to Orthodox bishops and clergy through the laying on of hands--a practice started by the apostles, and that this unbroken historical and physical link is an essential element of the true Church (Acts 8: 17, 1 Tim 4: 14, Heb 6: 2). However, the Church asserts that apostolic succession also requires apostolic faith, and bishops without apostolic faith, who are in heresy, forfeit their claim to apostolic succession . </P> <P> The Eastern Orthodox communion is organized into several regional churches, which are either autocephalous ("self - headed") or lower ranking autonomous (the Greek term for "self - lawed") church bodies unified in theology and worship . These include the fourteen autocephalous churches of Constantinople, Alexandria, Antioch, Jerusalem, Georgia, Cyprus, Bulgaria, Serbia, Russia, Greece, Poland, Romania, Albania, and Czech Republic and Slovakia, which were officially invited to the Pan-Orthodox Council of 2016, as well as a number of autonomous Churches . Each church has a ruling bishop and a Holy Synod to administer its jurisdiction and to lead the Orthodox Church in the preservation and teaching of the apostolic and patristic traditions and church practices . </P> <P> Each bishop has a territory (see) over which he governs . His main duty is to make sure the traditions and practices of the Orthodox Church are preserved . Bishops are equal in authority and cannot interfere in the jurisdiction of another bishop . Administratively, these bishops and their territories are organized into various autocephalous groups or synods of bishops who gather together at least twice a year to discuss the state of affairs within their respective sees . While bishops and their autocephalous synods have the ability to administer guidance in individual cases, their actions do not usually set precedents that affect the entire Eastern Orthodox Church . Bishops are almost always chosen from the monastic ranks and must remain unmarried . </P>

Where is the eastern orthodox church located geographically
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