Temple of Dionysius (in center of pcture) Dionysus, the god of wine, ecstatic revelry and the theatre, patron of actors [1], was one of the most important deities in Pergamon, along with Athena, Zeus, Demeter and Asklepios. The Temple of Dionysus Kathegemon was built at the foot of the theatre's cavea (seating area),It appears that the temple was never quite completed