Pergamum, or as it is called in Turkish, Bergama, was a rich and powerful ancient Greek city, located about 25 km from the modern coast of Aegean Sea. During the Hellenistic period, it was the capital of the Kingdom of Pergamum around 200 BC, and was a major cultural center of the Greek world. However, the settlements around Bergama goes back possibly to Bronze Age.
Asklepieion of Pergamum is the lower city, originally built starting in 4th century BC. Asklepios was the Greek god of medicine and the son of Apollo. The cult of Asklepios spread widely through Asia Minor through Hellenistic as well as Roman times, with about 200 sanctuaries & healing centers were built. The Asklepieion of Pergamum reached its most glorious period in the 2nd century A.D.
Pergamon Acropolis is the ancient Greek city on top of a hill, 335-meter-high (1,099 Ft), which was added to UNESCO World Heritage list recently.