Petrópolis is a neighbourhood in the city of Porto Alegre, the state capital of Rio Grande do Sul, in Brazil. It was created by Law 2022 from December 7, 1959. In the 1920s, Petrópolis was occupied by chácaras (little properties), where their owners would cultivate orange trees. Its development took place around a road called Caminho do Meio, which connected Porto Alegre to Viamão and Gravataí municipalities, now known as Protásio Alves Avenue. Also, there is located a highly regarded international private school of the city, the Panamerican School of Porto Alegre.