The club is based in the Laranjeiras neighbourhood of Rio de Janeiro.
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 maroon-and-green vertical striped shirts, with white shorts, accompanied by white socks; this combination has been used since 1920. 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.
In the national championship, Fluminense lost in the semifinal matches to Internacional in 1975 and Corinthians in 1976.