, Brazil, the capital of Rio Grande do Sul state and one of the largest and most modern cities in Brazil. It lies at the point where the Guaíba River enters Patos Lagoon, which provides access to the Atlantic Ocean. Pôrto Alegre is the commercial center for the extreme southern part of Brazil and has varied manufacturing industries. Cattle and wine are notable products from the surrounding area. Educational institutions in the city include two large universities. Pôrto Alegre is served by a port, an international airport, a railway, and modern highways.
Pôrto Alegre was founded in the 1740's by Portuguese immigrants from the Azores. Large numbers of Germans and Italians settled here in the 19th century.