Pythion () or Pythium, was an ancient city of Perrhaebia in Thessaly, situated at the foot of Mount Olympus, and forming a Tripolis with the two neighbouring towns of Azorus and Doliche. Pythion derived its name from a temple of Apollo Pythius situated on one of the summits of Olympus, as we learn from an epigram of Xeinagoras, a Greek mathematician, who measured the height of Olympus from these parts (ap.