The olive tree was the sacred tree of the city of Athens, symbol of the ancient Greeks and the Olympic Games, since Olympic champions were crowned with wreath of wild olive branch and sacred symbol for the global community. There are many varieties, such as black, green, blond, Kalamon and Halikidikis. It constitutes a source of vitamin E which is a natural antioxidant. The olive fruit is very basic in the Mediterranean diet. The Greek olives stand out for their flavor and freshness. The Greek olives are fermented naturally in brine.