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 the 2020 Summer Olympics, when it will become the first city outside the Western world to have hosted the Summer Olympics more than once, having already hosted the Games in 1964. The other countries that have hosted the Summer Olympics are Belgium, Brazil, China, Canada, Finland, Italy, Mexico, Netherlands, South Korea, Spain, Soviet Union, and Sweden; each of these countries has hosted the Summer Games on just one occasion. Asia has hosted the Summer Olympics three times, in Tokyo, Japan (1964), Seoul, South Korea (1988), and Beijing, China (2008); Asia will host the Games for a fourth time in 2020