Zacharo is a town and municipality in western Peloponnese, Greece. Administratively, it belongs to the regional unit of Elis in West Greece. Zacharo is situated on the coast of the Gulf of Kyparissia, a part of the Ionian Sea. The mountain Lapithas is to the north, and the Minthi is to the east. Northwest of the town, between mount Lapithas and the sea, is the Kaiafas Lake. Zacharo is 18 km south of Olympia, 28 km southeast of Pyrgos, 65 km northwest of Kalamata and 65 km west of Tripoli. The town is crossed by the Greek National Road 9/E55, that links Patras with Kalamata.