Peloponnese(redirected from Peloponnesia)
Also found in: Dictionary, Thesaurus.
Related to Peloponnesia: Peloponnesian Peninsula, Peloponnesian League
the. the S peninsula of Greece, joined to central Greece by the Isthmus of Corinth: chief cities in ancient times were Sparta and Corinth, now Patras. Pop.: 503 300 (2001). Area: 21 439 sq. km (8361 sq. miles)