<Ul> <Li> IOC </Li> <Li> COB </Li> <Li> COJOPR </Li> </Ul> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> <P> The 2016 Summer Olympics (Portuguese: Jogos Olímpicos de Verão de 2016), officially known as the Games of the XXXI Olympiad and commonly known as Rio 2016, were a major international multi-sport event held in Rio de Janeiro, Brazil from 5 to 21 August 2016, with preliminary events in some sports beginning on 3 August . They were the first Olympic Games ever held in South America . </P> <P> More than 11,000 athletes from 205 National Olympic Committees, including first time entrants Kosovo, South Sudan, and the Refugee Olympic Team, took part . With 306 sets of medals, the games featured 28 Olympic sports, including rugby sevens and golf, which were added to the Olympic program in 2009 . These sporting events took place at 33 venues in the host city, and at five in São Paulo, Belo Horizonte, Salvador, Brasília, and Manaus . </P>

Where were the summer olympics held in 2016