Copacabana (local and standard Portuguese pronunciation: [kɔpakɐˈbɐ̃nɐ] or [kɔpɐkaˈbɐ̃nɐ], rarely [kɔpakaˈbɐ̃nɐ] and [kopɐkaˈbɐ̃nɐ] in other Brazilian dialects) is a bairro (neighborhood) located in the Zona Sul (southern zone) of the city of Rio de Janeiro, Brazil. It is known for its 4 km balneario beach, which is one of the most famous in the world.