what state is the city of rio de janeiro brazil in
The metropolis is anchor to the Rio de Janeiro metropolitan area, the second-most populous metropolitan area in Brazil and sixth-most populous in the Americas. Rio de Janeiro is the capital of the state of Rio de Janeiro, Brazil's third-most populous state. Part of the city has been designated as a World Heritage Site, named Rio de Janeiro: Carioca Landscapes between the Mountain and the Sea, by UNESCO on 1 July 2012 as a Cultural Landscape.