Castolus (Lydia)

{{Short description|Town of ancient Lydia}}

Castolus or Kastolos ({{langx|grc|Καστωλός}}) was a town of ancient Lydia.{{Cite Stephanus|s.v. Καστωλοῦ πεδίον}} Xenophon says that king Darius II appointed his son Cyrus the Younger, commander of all the forces that muster at the plain of Castolus (Castoli Campus; Καστωλοῦ πεδίον).{{Cite AnabasisX|1.1.2}}

The site of the plain of Castolus is fixed as the Burçak Ovası; the site of the town is unknown.{{Cite Barrington|62}}