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
2011 European Youth Summer Olympic Festival 2011 European Youth Summer Olympic Festival The 2011 European Youth Summer Olympic Festival was held in Trabzon, Turkey, between 23 and 29 July 2011. There were nine sports at the 2011 Festival, two branches, table tennis and water polo, less than compared with the 2007 Youth Olympic Festival's programme. Medals were awarded in a total of 109 events. For the 2011 European Youth Summer Olympic Festival's eight events except cycling, eleven sports venues were needed in and around Trabzon. Existing sport halls were renovated and new arenas were built for this purpose with a total investment cost mounting up to