The document summarizes the ancient Greek god Dionysus and the festivals held in his honor known as the Dionysia. Dionysus was the god of wine, theatre, fertility and ecstasy. The largest festival in his honor was the City Dionysia held annually in Athens, which featured a procession, sacrifices, theatrical performances of tragedies and comedies, and competitions. The Theatre of Dionysus hosted the plays and was the birthplace of classical Greek theatre.