Eight. Group I of the Olympia Bodybuilding Competition is divided into eight groups with different specifications: men's undifferentiated bodybuilding, men's 2 12 pound bodybuilding, men's classical bodybuilding, men's bodybuilding, women's figure, women's bikini, women's bodybuilding and fitness ladies, among which undifferentiated bodybuilding can be said to be the highlight of the Olympic Games every year. Olympia is a city in the southern plain of Greece, located in the northwest of Peloponnesian Peninsula. It is a religious center used by ancient Eris to worship Zeus, and also the venue of ancient Olympic Games. Among them, the statue of Zeus at Olympia made by phidias is one of the seven wonders of the world.