Athens in 431 B.C.
Athens — Polis of Attica · Hegemon of the Delian League · Leading Greek Naval Power.
Interactive map of Athens in 431 B.C. Athens was the dominant naval power of the Greek world and the hegemon of the Delian League, which by 431 B.C. had effectively become the Athenian Empire. Beyond the city itself and the surrounding region of Attica, the Athenian state directly held a network of cleruchies (citizen-colonies) and subject possessions across the Aegean. Explore the map of Athens, Attica, the port of Piraeus, Athenian cleruchies, and the active siege of Potidaia — one of the immediate triggers of the Peloponnesian War.