Inside of Olympia where the first Olympics games was held.

The first Olympics is traditionally dated to 776 BC. They continued to be celebrated when Greece came under Roman rule, until the emperor Theodosius I suppressed them in 393 AD as part of the campaign to impose Christianity as the State religion of Rome. The games were held every four years, or olympiad, which became a unit of time in historical chronologies.
During the celebration a group of soliders was enacted to protect athleets while traveling.There were prices for the winneres like crowns.
The games was held always only on Olympia nothing like modern games who moves in different location.