zeus4. The national Hellenic Zeus, near whose temple at Olympia in Elis, the great national πανήγυρις (panēgyris) was celebrated every fifth ere too Zeus was regardedZeus is the chief deity of the Greek pantheon. He is a sky and thunder god in ancient Greek relion and mythology, who rules as king of the gods on Mount Olympus. Zeus is the child of Cronus and Rhea, the youngest of his siblings to be born, though sometimes reckoned the eldest as the others See more