Eteocles receives an honorable burial because he died defending Thebes against enemies.
In Greek mythology, Eteocles was a king of Thebes, the son of Oedipus as well as Jocasta or Euryganeia.
Thebes is a city in Boeotia, central Greece. It played a significant role in Greek myths, as the site of the stories of Cadmus, Oedipus, Dionysus, Heracles and the like. Thebes constituted the largest city of the ancient region of Boeotia.