These places, then, were thought by the Greeks to suit their purpose. After making a thorough survey, they concluded that the barbarians could not make use of their entire army, nor of their horsemen. They therefore resolved, that they would meet the invader of Greece [22,39] (nation), EuropeHellas here. Then, when they heard that the Persian was in +Pieria [22.416,40.25] (department), Macedonia, Greece, Europe Pieria, they broke up from the Isthmus and set out with their army to +Thermopylae [22.5583,38.8] (Perseus) Thermopylae and with their fleet to +Artemisium [23.2417,39.0083] (Perseus) Artemisium.