In Sibari, one of the most important hamlets of the Municipality of Cassano All'Ionio, there is the Archaeological Park of great historical importance. The Park extends for 168 hectares and is located at km 25 of the state road 106 Ionica which crosses it all in a north-south direction. It is the site of one of the richest and most important cities of Magna Graecia, whose finds are preserved in the National Archaeological Museum of the Sibaritide. The area was the centre of the Oenotrian civilisation, which flourished in the Iron Age, before the arrival in Calabria of the Greek settlers of Achaia in 730-720 BC. The Greeks founded Sybaris, a flourishing commercial centre where goods from Asia Minor passed through. The fate of Sybaris was marked by the war against another important Greek city, Crotone, which culminated with the Battle of the Traitor (510 B.C.) and a siege of seventy days, after which the site was destroyed and flooded by the deviation of the river Crati.
The survivors founded, in 444 B.C., the new colony of Turi, on the same site, designed by the famous architect Hippodamus of Miletus. In 194 B.C. the city was founded again as a Roman colony, under the name of Copiae, which was later changed back to Thurii. It continued to be important until the Middle Ages,