This allowed the Persians to conquer Boeotia and Attica. In the resulting Battle of Thermopylae, the rearguard of the Greek force was annihilated, whilst in the Battle of Artemisium the Greeks had heavy losses and retreated after the loss at Thermopylae. To block the Persian advance, a small force of Greeks blocked the pass of Thermopylae, while an Athenian-dominated Allied navy engaged the Persian fleet in the nearby straits of Artemisium. It marked the high-point of the second Persian invasion of Greece, which had begun that spring.
The Battle of Salamis ( / ˈ s æ l ə m ɪ s / Ancient Greek: Ναυμαχία τῆς Σαλαμῖνος, Naumachia tēs Salaminos) was fought between an Alliance of Greek city-states and the Persian Empire in 480 BC, in the straits between the mainland and Salamis, an island in the Saronic Gulf near Athens.