Ephesos

Under the rule of Rome the grandeur of Pergamon continued for a time, but in the reign of Constantine, Ephesos became the metropolis of Asia Minor, and the power of Pergamon waned as swiftly as it had risen.

Source: wiktionary

Had he lived to attend the Third Oecumenical Council held in Ephesos in 431, he would have experienced the deep divisions then prevalent in the East.

Source: wiktionary

The cemetery was initially uncovered in 1933, in the Roman city of Ephesos, now in modern-day Turkey. At the time, Ephesos was the capital of the Roman province of Asia and had over 200,000 inhabitants.

Source: wiktionary