Delphi or Ancient Greece was an important city of Delphi considered the center of the world. Located in the region of Halkidiki, about 120 km northwest of Athens, is home to the famous shrine, the Oracle of the God Apollo. The shrine included the Temple of Apollo, the theater and stadium where the Pythian games were held every four years that followed every three years the Olympics. Today is an extraordinary archaeological Unesco World Heritage site, the ruins each year attract hundreds of tourists.