Çeşme is a port of the ancient city, Erythrai, which was formerly known as Cyssus in ancient times. It was an important settlement area, in the 6th century BC. The city developed its trade by establishing relations with Egypt, Cyprus and western countries. The Erythrai Ancient City, excavated in (the village of) Cesme-Ildiri, composes of a Castle, Caravanserai and many fountains from Ottoman Period, as well as other examples of civil architecture. Today, the remains of the Acropolis can be seen on top of the hill which is in the city centre.
Small statuettes offered to the Temple of Athena Pallas were found during the excavations in the Acropolis. One of the most important finds is the statue of a woman belonging to Archaic Age. It is on display in the Izmir Museum of Archaeology.