Dium or Dion (Ancient Greek: Δῖον)[1][2][3] or Dia (Δία)[4][5] was a city in ancient Coele-Syria mentioned by numerous ancient writers. According to Stephanus of Byzantium, the city was a foundation of Alexander the Great, and named after the city Dium in Macedon.[3] It was also wrongly called Pella by some ancient writers.[6]