33. Departing from Ionia the fleet proceeded to conquer all the places of the Hellespont on the left as one sails in, for those on the right had been subdued already by the Persians themselves, approaching them by land. Now the cities of the Hellespont in Europe are these:⁠—first comes the Chersonese, in which there are many cities, then Perinthos, the strongholds of the Thracian border, Selymbria, and Byzantion. The people of Byzantion and those of Calchedon opposite did not even wait for the coming of the Persian ships, but had left their own land first and departed, going within the Euxine; and there they settled in the city of Mesambria. 858