Oriental Orthodox Churches, while affirming the creeds of first three Ecumenical Councils, do not agree with the Council of Chalcedon‘s understanding of Jesus’ nature. Like the Eastern (Greek) Orthodox, there is no singular Oriental Orthodox church. It is an association of national churches united by common theology and practices. In the Middle East, these churches include the Coptic Orthodox Church, the Syriac Orthodox Church, and the Armenian Apostolic Orthodox Church.