This article focuses in a first part on the four main games that brought together the Greeks of Europe and those of Asia. These four major contests were the Olympic Games, Isthmian Games, Pythian Games, and Nemean Games. In addition, it highlights the conclusion of the truces which were considered an essential condition for the organization of these games. In a second part, the study shows that Greeks came from all cities to participate in the games. It also mentions the honor both an athlete and a city derived from a victory during these games. Finally, the study addresses the fact that the games were opportunities to strengthen the bonds of cultural kinship between Greek city-states and occasions for diplomatic negotiations.