Image: Rafael Rabello de Barros · CC BY-SA 3.0

Second-largest city in Brazil

Rio de Janeiro, also known simply as Rio, is the capital of the state of Rio de Janeiro. It is the second-most-populous city in Brazil after São Paulo with a population of 13 million people as of 2025, and the sixth-most-populous city in the Americas.

-22.9111, -43.2056 · Open in map · Wikipedia