Clube de Regatas do Flamengo is a Brazilian multi-sport club located in Rio de Janeiro.
Although they are mostly known for its association football team, Flamengo represents an entire sporting association. Other nicknames used by supporters include "Fla", "Mengo", and "Mengão" (which means Big Mengo), as well descriptions of the club's official colors, rubro-negro, which translates to "the scarlet-blacks".
Flamengo's football team — the most popular one in Brazil with an estimated 35 million supporters – placed 9th in FIFA Clubs of the 20th Century and is one of the three clubs to have never been relegated or removed from the Brazilian First Division, the others being Cruzeiro and Internacional.
Their biggest rivals are the other three top clubs from Rio de Janeiro: Fluminense, Botafogo and Vasco da Gama. Nowadays, Vasco da Gama are considered Flamengo's top rivals, but intensity of football rivalry has changed in Rio over generations: during the 1960s, for instance, Flamengo supporters considered Botafogo to be the club's top rival, although the most historical rivalry is with Fluminense, dating from the beginning of football in the club, at 1912.