Note: Do not rely on this information. It is very old.
Paestun (Greek Posidonia), a Greek colony on the coast of Lucania, founded about 600 B.C. by settlers from Sybaris. It speedily rose to great prosperity, and preserved its independence for several centuries, being conquered at last by the Lucanians, and passing ultimately into the possession of Rome, when it took the name of Paestum. The temple of Poseidon is one of the finest monuments of Doric architecture.