Olympia is north of the Alpheios River and south of Mount Kronos. The Kladeos River, a tributary of Alpheios, runs through this area.

Olympic Games

In ancient Greece, the Olympic Games was one of the four in Panhellenic Games held at an interval of four years at Olympia. The other three were: Pythian Games, Nemean Games, and Isthmian Games. The Olympic Games was the most important one and used to measure time in years. An Olympiad is a period of four years in which the Olympic Games was held in year one, Nemean Games and Isthmian Games were held in year two and four and Pythian Games was held in year three.