The action in Oedipus the King takes place in the city of Thebes. Name the four cities that are?

In "Oedipus the King," the primary setting is Thebes, which is central to the action of the play. Other significant cities mentioned include Corinth, which is Oedipus's birthplace, Delphi, where the oracle resides, and Argos, linked to the broader narrative of the Theban cycle. These cities play crucial roles in shaping the characters' destinies and the unfolding of the tragic events.