A reference map of ancient Greece showing the Greek political territories of Peloponnese, the southern Balkan Peninsula, islands of the Ionian and Aegean seas, and coastal Asia Minor. A numeric reference key shows the location of the Cithaeron Mountains (1), Copais Lake (2), .Hymettus Mountains (3), Megaris (4), Oenophyta (5), Parnes Mountain (6), Phyle (7), Thermopylae (8), and Nisaea (9).