Histories

Then by reason of their immoderate gorging and the change of the water which they drank, many of the army that had survived died. The rest came with Xerxes to Sardis [28.0167,38.475] (Perseus) Sardis.

There is, however, another tale, which is this: when Xerxes came in his march from Athens [23.7333,37.9667] (Perseus)Athens to +Eion [23.8833,40.7333] (Perseus) Eion on the Strymon, he travelled no farther than that by land, but committed his army to Hydarnes to be led to the Canakkale Bogazi (strait), Canakkale, Marmara, Turkey, Asia Hellespont. He himself embarked and set sail for Asia (continent)Asia in a Phoenician ship.