- an inlet of the Aegean, on the SE coast of Greece, between Attica and the Peloponnesus. 50 miles (80 km) long; 30 miles (48 km) wide.
- an inlet of the Aegean on the SE coast of Greece. Length: about 80 km (50 miles). Width: about 48 km (30 miles)Also called: Aegina, Gulf of Aegina