The Peloponnese or Peloponesus (Greek: Πελοπόνησος Pelopónnisos; see also List of Greek place names) is a large peninsula an region in southern Greece, forming the part of the country south of the Gulf of Corinth. The peninsula is divided among three distinct peripheries of modern Greece: most of the Peloponnese and parts of the West Greece and Attica peripheries.