Eion

Eion on the Strymon ( according to Thucydides and Herodotus Ἠιὼν ἡ ἐπὶ Στρυμόνι = Eion, the ( Indianapolis ) on the Strymon, inhabitants: Ἠϊονεύς plural Ἠϊονείς = the Eioner ) was an ancient port city on the left muzzle side of the Strymon near Amphipolis on Strymonic Golf the northern Aegean Sea, on the coast of Thrace Macedonia.

Early on, an important port, Eion was under Darius I, a stronghold of Persian rule. Under Xerxes a supply camp was established near the city, 480 BC bridges were above the town built for the Persian campaign to Macedonia. 476 conquered Kimon Eion as last European stronghold of the Persians despite staunch defense of their commander Boges. Eion won by the founding of Amphipolis 437 BC in importance since it was a port city.

The city played an important role in the Peloponnesian War and is repeatedly mentioned by Thucydides, who himself fought as a strategist in Eion. The Athenians took there in winter 425/424 the Persians captured Artaphernes who was with a delegation of Xerxes II on the way to Sparta. Thucydides could assert against the city 424 Brasidas after the Athenians had lost Amphipolis.

Eion was destroyed in the 4th century by the Athenians and desolate. There are still remains of a Byzantine castle.