The ancient Elea-Velia was born around the year 540 B.C., thanks to the exiles coming from the Greek city of Focea, today’s Turkey; in 88 B.C. it became a Roman municipium. The city occupies an area of about 90 hectares and it was organized in various quarters connected by roads, passages and doors. Significant traces of the archaic city remain on the Acropolis, represented by various houses; soon after, the Acropolis became a simple place of cult, a sanctuary, maybe, of Athena and other housings were created on the slopes and terraces of the hill. To the two quarters, the southern and the northern, corresponded two harbours that had different functions. The theatre on the Acropolis and a small thermal building in the small valley, date back to the III century. Along the ridge of the acropolis on the western walls, places of cults, altars and some votive stones show the cult of Poseidon, Zeus, Asclepius, Athena, Demeter, Era and Persephone. Two thermal complexes, the cryptoportico, a public building built in the I century B.C., maybe the venue of the medical school or a gymnasium, are of the Roman period.