 Oreus

Oreus or Oreos (), prior to the 5th century BCE called Histiaea or Histiaia (Ἱστίαια), also Hestiaea or Hestiaia (Ἑστίαια), was a town near the north coast of ancient Euboea, situated upon the river Callas, at the foot of Mount Telethrium, and opposite Antron on the Thessalian coast.From this town the whole northern extremity of Euboea was named Histiaeotis (Ἱστιαιῶτις, ) According to some it was a colony from the Attic deme of Histiaea; according to others it was founded by the Thessalian Perrhaebi.