Sailing at the 2004 Summer Olympics the racing was organized at the Agios Kosmos Marina at the coastal area of Southern Attica some 14 km south of Athens city centre and close to the old airport. This harbor was built in the 1960s but for the 2004 Summer Games it was completely reconstructed to form the Agios Kosmas Olympic Sailing Centre. The Agios Kosmas Olympic Sailing Centre was completed on 31 January 2004. On clear day the Acropolis could be seen from the course areas. During the 2004 Summer Olympics sixty one countries competed in the Olympic sailing regattas. Australia, France, Italy, Great Britain, Greece, Spain
Summer Olympic Games 1900 Summer Olympics were already planned for Paris and, except for the 1906 Intercalated Games, the Olympics did not return to Greece until the 2004 Summer Olympics. Four years later the 1900 Summer Olympics in Paris attracted more than four times as many athletes, including 20 women, who were allowed to officially compete for the first time, in croquet, golf, sailing, and tennis. The Games were integrated with the Paris World's Fair and lasted over 5 months. It is still disputed which events exactly were "Olympic", since few or maybe even none of the events were advertised as such at