The Carnival in Rio de Janeiro is a world famous festival held before Lent every year and considered the biggest carnival in the world with two million people per day on the streets. The first festivals of Rio date back to 1723.

The typical Rio carnival parade is filled with revelers, floats and adornments from numerous samba school which are located in Rio (more than 200 approximately, divided into 5 leagues/ divisions.) A samba school is composed of a collaboration of local neighbours that want to attend carnival together, with some kind of regional, geographical common background. The Top League, called the "Special Group" of Samba schools in 2012 include: Unidos da Tijuca,2012 Champyop Mocidade Independente, GRES Imperatriz Leopoldinense, GRES Uniao da Ilha do Governador, GRES Acadêmicos do Salgueiro, Portela, whose origin remounts to the single first samba group in Rio, GRES São Clemente, the traditional GRES Estação Primeira de Mangueira, founded by Cartola, samba composer and singer and Fluminense Football Club famous fan, GRES Acadêmicos do Grande Rio, located at Duque de Caxias city, GRES Unidos de Vila Isabel, Beija-Flor de Nilópolis, and finally Inocentes de Belford Roxo, which won the Access Division in 2012 Rio Carnival contest.