The archaeological site of Olympia includes the sanctuary of Zeus and the many buildings erected around it, such as athletic premises used for the preparation and celebration of the Olympic Games, administrative buildings and other lay buildings and monuments. The Altis, the sacred enclosure and core of the sanctuary, with its temples, cult buildings and treasuries, occupies the centre of the site. It is surrounded by a peribolos, or enclosure wall, which in the late fourth century BC had three gates ...