Delium

Delium

(dē`lēəm), town of ancient Greece, a port in E Boeotia, named for its temple of Apollo similar to the one at Delos. In the Peloponnesian War the Athenians were defeated (424 B.C.) by the Boeotians there; Socrates fought in the battle.
References in classic literature ?
because he must remain at his post where the god has placed him, as he remained at Potidaea, and Amphipolis, and Delium, where the generals placed him.