Pelješac (ItalianSabioncello) is a peninsula in southern Croatia, in the Dubrovnik-Neretva county. It is around 70 km long and is connected with an isthmus at Ston. The Strait of Pelješac is located at its other end, and it divides the peninsula from the island of Korčula.
Administratively the peninsula is divided into the municipalities of:
Orebić in the western part, with 4,165 inhabitants (2001)
TRPANJ, a town and harbour on the northern coast of the Peljesac Peninsula, 11 km northeast of Orebic; population 660.
VIGANJ, a village and small harbour to the west of the southern coast of the Peljesac Peninsula, 7 km west of Orebic; population 330.
The Peljesac Channel terminates on the top of Sveti Ivan, where an old small church lies near the road, with the remains of the artillery position of the Austrian navy.