What is Dionysus's realm in Greek mythology?

In Greek mythology, Dionysus is the god of wine, fertility, theater, and revelry. He is often associated with ecstasy, celebration, and the natural world, embodying the liberating and chaotic aspects of life. His realm extends to the cultivation of vineyards and the joy of festivities, where he represents the duality of joy and madness. Dionysus is also known for his role in the arts, particularly in the development of theater and drama.