Thermopylae
The narrow coastal pass of Thermopylae . August or September 480 BC
The answer is no Because Thermopylae is a battle not a city.
Leonidas at Thermopylae was created in 1814.
Xerxes I, son of Darius I, was victorius at Thermopylae.
Leonidas I was the leader of Battle of Thermopylae.
The Battle of Thermopylae occurred , approximately , August or September 480BC .
the battle of Thermopylae took place in August 480 bc
If by spy, you mean the person who betrayed the Spartans, that would be Ephialtes of Trachis.
Persians
Εφιάλτης (E-fee-a-ltees) This word in modern greek mean nightmare! Interesting, isn' t it?
There was a pass at Thermopylai (hot gates - a thermal springs area).