Orthodox Christianity

The concept of orthodox Christianity can designate any Christian theology that its adherents consider correct in comparison with others. More specifically it can refer to:

• Byzantine Orthodoxy
  • Orthodox Church, a predominant community in Eastern Europe, and in several nations of the Middle East, which in population rank forms the third place of great Christian congregations, after the Catholic Church and the whole of Protestant churches.
  • Non-Canonical Orthodox Churches, group of Churches whose canonicity is not recognized by any other Church within Orthodox communion.
  • Western Orthodox Church, community of faithful of the Orthodox Church who put into practice an ancient liturgical tradition, and spiritual that proclaims to be heir to the patristic of the ancient Christian Churches of the West, these practitioners are currently a minority number of faithful.

• Eastern Orthodox Churches, communities of equal antiquity and differentiated apostolicity of the Orthodox Church for not accepting the Christology emanated from the Ecumenical Council of Chalcedony in 451.