Casthanaea

Casthanaea or Casthanea or Kasthanaia or Kasthaneia or Castanea or Kastanaia was a town and polis (city-state) of Ancient Magnesia, at the foot of Mount Pelium, with a temple of Aphrodite Casthanitis. It is mentioned by Herodotus in his account of the terrible storm which the fleet of Xerxes I experienced off this part of the coast. and by Pliny. It was from this town that the chestnut tree, which still abounds on the eastern side of Mt. Pelium, derived its name in Greek and the modern languages of Europe. Its location is below the modern village of Keramidi.

Archaeological site data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).