Ilium or Ilion (Ancient Greek: Ἴλιον), also known as Troja (Τροΐα), was a city of ancient Epirus. It is mentioned in the Aeneid of Virgil as a foundation of Helenus after the Trojan War in the land of the Chaonia.
- Stephanus of Byzantium. Ethnica. s.v.
- An Inventory of Archaic and Classical Poleis: An Investigation Conducted by The Copenhagen Polis Centre for the Danish National Research Foundation by Mogens Herman Hansen, 2005, page 340
- Virgil. Aeneid. 3.335.
- Richard Talbert, ed. (2000). Barrington Atlas of the Greek and Roman World. Princeton University Press. p. 54, and directory notes accompanying.
- Lund University. Digital Atlas of the Roman Empire.