Metropolis of Pergamon
The Metropolis of Pergamon () was an ecclesiastical territory (diocese) of the Ecumenical Patriarchate of Constantinople in western Asia Minor, modern Turkey. Christianity in the city of Pergamon (modern Bergama), was introduced already from 1st century AD, while the local Christian community comprised one of the seven Churches of Asia mentioned at the Book of Revelation, written by John of Patmos. The bishopric of Pergamon was twice promoted to a metropolis: during the 13th–14th centuries, as well as for a short period in 1922. Today the "Metropolis of Pergamon and Adramyttium" is the see of a titular metropolitan.
Pergamon
In 362 BC, Orontes, satrap of Mysia, based his revolt against the Persian empire at Pergamon, but was crushed. Only with Alexander the Great was Pergamon and the surrounding area removed from Persian control. There are few traces of the pre-Hellenistic city, since in the following period the terrain was profoundly changed and the construction of broad terraces involved the removal of almost all earlier structures. Parts of the temple of Athena, as well as the walls and foundations of the altar in the sanctuary of Demeter go back to the fourth century.