Expansion of Macedonia under Philip II a significant problem, blocking the main route into Greece. However, a second route into central Greece was available. In 480 BC, during the Battle of Thermopylae, the Persian king Xerxes had sent his army via a mountain track (the "Anopea") to outflank the pass. From this track, on the western side of Mount Kallidromon, another road led off and descended in Phocis. In 480 BC, a thousand Phocian troops were stationed above Thermopylae to guard the road and prevent a Persian assault on Phocis (though they notably failed to prevent the Persians using "Anopea"). However, in 339 BC, the Greeks
The 300 Spartans the surviving Spartans refuse Xerxes's demand to give up Leonidas' body. They are then annihilated by arrowfire. After this, narration states that the Battle of Salamis and the Battle of Plataea end the Persian invasion, which could not have been organized without the time bought by the 300 Spartans who defied the tyranny of Xerxes at Thermopylae. One of the final images of the film is the memorial bearing the epigram of Simonides of Ceos, which is recited. The battle scenes were shot near the village of Perachora, on the mainland side of the Corinth Canal, as it was impossible