Fluminense Football Club (Brazilian Portuguese: [flumiˈnẽsi ˈfu̇t-ˌbȯl ˈkləb]), known simply as Fluminense or The Institution, is a Brazilian sports club best known for its football team that plays in the Campeonato Brasileiro Série A, the top tier of Brazilian football and the Campeonato Carioca, the state league of Rio de Janeiro. The club is based in the Laranjeiras neighbourhood of Rio de Janeiro. Fluminense play their home games at the Estádio Giulite Coutinho currently holds up to 13,544 spectators.
The club was founded on July 21, 1902 by the sons of Carioca aristocrats, being led by Oscar Cox, a Brazilian sportsman, in the bairro of Flamengo, a direct contrast between the aristocratic founders and the modest ground it was founded on. Cox was elected as the club's first president. Fluminense has been state champions on 31 occasions, second only to Flamengo with 33. The team has been national champions four times, most recently in 2012, and won the Copa do Brasil in 2007.
Fluminense is a demonym for people who reside in the State of Rio de Janeiro. Although football is the club's original endeavor, the club is today an umbrella organization for several teams in more than 16 different sport activities. Fluminense's home kit is dark red-and-green vertical striped shirts, with white shorts, accompanied by white socks; this combination has been used since 1920. Dryworld are the kit manufacturers. Fluminense holds many long-standing rivalries, most notably against Flamengo (Fla-Flu), as well as with Botafogo and Vasco da Gama. It has contributed the fifth-most players to Brazil's national football team.