An arm of the Mediterranean Sea off southeast Europe between Greece and Turkey. The numerous Aegean Islands dotting the sea include the Cyclades, the Dodecanese, and the Sporades. Most of the islands belong to Greece.
- A sea in the northeastern part of the Mediterranean.
Via Latin Aegaeum mare, from Ancient Greek Aἰγαῖον Πέλαγος (Aigaîon Pélagos).