Kazakhstan competed at the 2004 Summer Olympics in Athens, Greece, from 13 to 29 August 2004. This was the nation's third appearance at the Summer Olympics in the post-Soviet era.
Italy competed at the 2004 Summer Olympics in Athens, Greece, from the 13th to the 29th of August 2004. The country has competed at every Summer Olympic games in the modern era, except for the 1904 Summer Olympics in St. Louis. The Italian National Olympic Committee sent the nation's largest ever delegation in history to the Games. A total of 364 athletes, 229 men and 135 women, competed in 27 sports.
Serbia and Montenegro competed at the 2004 Summer Olympics in Athens, Greece, from 13 to 29 August 2004. Previously known as the Federal Republic of Yugoslavia, this was the nation's third and last joint appearance at the Summer Olympics before Serbia and Montenegro became separated independent states in 2006. The Olympic Committee of Serbia and Montenegro sent a total of 85 athletes to the Games, 78 men and 7 women, to compete in 14 sports. Men's basketball, football, volleyball, and water polo were the only team-based sports in which Serbia and Montenegro had its representation at these Games. There was only a single competitor in road cycling, judo, tennis, and wrestling.
Croatia competed at the 2004 Summer Olympics in Athens, Greece, from 13 to 29 August 2004. This was the nation's fourth consecutive appearance at the Summer Olympics since the post-Yugoslav era. The Croatian Olympic Committee sent the nation's smallest delegation to the Games since its debut in 1992. A total of 81 athletes, 66 men and 15 women, competed in 14 sports. Men's water polo, and men's handball were the only team-based sports in which Croatia had its representation in these Olympic Games.
Serbia competed at the 2008 Summer Olympics in Beijing, People's Republic of China. The country returned under the name Serbia after 96 years, previously competing under the names Yugoslavia (1920–1988), Independent Olympic Participants (1992), Yugoslavia (1996–2002) and Serbia and Montenegro (2004–2006).
Italy competed at the 2008 Summer Olympics, held in Beijing, China. The country sent a delegation of 344 athletes to compete.
China was the host nation of the 2008 Summer Olympics. China was represented by the Chinese Olympic Committee (COC), and the team of selected athletes were officially known as Team China.
The former State Union of Serbia and Montenegro was represented at the Olympic Games on six occasions between 1996 and 2006, when the union was dissolved and Montenegro and Serbia each declared full independence.
The Netherlands competed at the 2008 Summer Olympics in Beijing, People's Republic of China. This was announced in an official statement on the NOC*NSF website. In the statement they named the Olympic Games and the Paralympic Games as a highlight in sports to which a lot of sportspeople, coaches and the Dutch sports fans would look forward. The Netherlands aimed for a top 10 nations ranking in the Olympics as well as a top 25 ranking in the Paralympics; they ended up ranking 12th at the Games.
Tuvalu competed at the 2008 Summer Olympics in Beijing, China, from 8 to 24 August 2008. This was the nation's first ever appearance in an Olympic Game. The delegation included two track and field athletes and one weightlifter. Okilani Tinilau and Asenate Manoa participated in athletics while Logona Esau participated in the weightlifting sport. Both track and field athletes achieved national records. Logona Esau led the Tuvaluan squad as the nation's flag bearer in the parade of nations.
Greece competed at the 2008 Summer Olympics in Beijing, People's Republic of China. They were represented by the Hellenic Olympic Committee, which announced on July 28, 2008, the 156 Greek athletes to compete in Beijing, composed of 84 men and 72 women, the largest Greek Olympic team ever excluding the home team of the Athens 2004 Olympics. Greece took part in archery, athletics, basketball, boxing, canoeing, cycling, diving, gymnastics, judo, rowing, sailing, shooting, swimming, synchronized swimming, table tennis, taekwondo, tennis, triathlon, beach volleyball, water polo, weightlifting and wrestling.
Hungary competed at the 2008 Summer Olympics in Beijing, China. The country sent 131 individual competitors plus the men's and women's water polo teams and the women's handball team for a total of 171 athletes taking part in the 2008 Summer Olympics. Hungary's gold medal count of 3 was the lowest in the nation's Summer Olympic history since the 1924 Paris Summer Olympics. Its total medal count of 10 was the lowest since the 1928 Summer Olympics in Amsterdam.
Spain competed at the 2012 Summer Olympics in London, from 27 July to 12 August 2012. This nation has competed in all but two Summer Olympic Games since its official debut in 1920. Spain boycotted two editions, the 1936 Summer Olympics in Nazi Germany and the 1956 Summer Olympics in Melbourne, as a protest against the Soviet invasion of Hungary. In 2012, the Spanish Olympic Committee sent the nation's smallest delegation to the Games since 1988. A total of 278 athletes, 166 men and 112 women, competed in 23 sports.
Hungary competed at the 2012 Summer Olympics in London, from 27 July to 12 August 2012. Hungarian athletes have competed at every Summer Olympic Games in the modern era, except the 1920 Summer Olympics in Antwerp, and the 1984 Summer Olympics in Los Angeles because of the Soviet boycott. The Hungarian Olympic Committee sent the nation's smallest delegation to the Games since 1956. A total of 159 athletes, 97 men and 62 women, competed in 18 sports.
Serbia competed at the 2012 Summer Olympics in London. This was the nation's third appearance at the Summer Olympics.
Croatia competed at the 2012 Summer Olympics in London, United Kingdom, from 27 July to 12 August 2012. This was the nation's sixth consecutive appearance at the Summer Olympics.
Montenegro competed at the 2012 Summer Olympics in London, from 27 July to 12 August 2012. This was the nation's second appearance at the Summer Olympics.
Serbia competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. It was the nation's fourth appearance at the Summer Olympics as an independent country. The Olympic Committee of Serbia confirmed a roster of 103 athletes, 58 men and 45 women, to compete across 14 sports at the Games.
Montenegro competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. This was the nation's third consecutive appearance at the Summer Olympics since it gained independence from Serbia in 2006.
Montenegro competed at the 2020 Summer Olympics in Tokyo. Originally scheduled to take place from 24 July to 9 August 2020, the Games were postponed to 23 July to 8 August 2021, because of the COVID-19 pandemic. It was the nation's fourth consecutive appearance at the Summer Olympics since gaining independence in 2006.
Yugoslavia (1920–1992W)
Independent Olympic Participants (1992S)
Serbia and Montenegro (1996–2006)
