It was also called the “Little Athens.” It is among the seven churches addressed in the Apocalypse (1:17). In the letter to the angel of the Church of Philadelphia (Rev 3:7–13), only praise is found: the small Christian community had withstood well the judicial persecutions of the “synagogue of Satan” (3:9).
Even St. Ignatius of Antioch warns the Philadelphians against the Jews (Ad Philad., 6). The Apostolic Constitutions (VII, 46; PG 1, 1953) claim that the first bishop of Philadelphia, Demetrius, was sent by St. Peter. Among the early faithful of Philadelphia, a prophetess named Amnia is remembered (Milzinde, cited by Eusebius, Hist. Eccl., 5, 17; PG 20, 473).
It was the last city of the Byzantine empire in Anatolia to fall to the Turks. Conquered by Bājazid in 1396, it was renamed Alaşehir (the shining city). Today it has about 30,000 inhabitants.