UFC 179: Aldo vs. Mendes 2 was a mixed martial arts event held on October 25, 2014, at Ginásio do Maracanãzinho in Rio de Janeiro, Brazil.

Ginásio Gilberto Cardoso or Ginásio do Maracanãzinho, sometimes called just Maracanãzinho, is an indoor arena located in Maracanã in the north zone of Rio de Janeiro, Brazil. It is used mostly for volleyball. Its formal name, Ginásio Gilberto Cardoso, honors a former Clube de Regatas do Flamengo president. The capacity of the arena is 11,800 and it was opened in 1954. It stands next to the Maracanã Stadium.