What city does Oedipus rule as king?

Oedipus rules the city of Thebes as king. The significance of Thebes in the play is central to the plot, as it is both the setting and the location where the major events unfold. Oedipus becomes king after solving the riddle of the Sphinx, which had been terrorizing the city. His rule begins in a time of crisis as Thebes suffers from a plague, and he is determined to find the truth about the circumstances affecting his city. This pursuit of knowledge ultimately leads to his tragic self-discovery and the fulfillment of the prophecy that he had tried so hard to avoid. The connection between Oedipus and Thebes is essential to understanding the themes of fate, identity, and the consequences of one’s actions within the play.