Jacareí is a city in the state of São Paulo, Brazil. It is part of the Metropolitan Region of Vale do Paraíba e Litoral Norte. The population is 226,539 (2015 est.) in an area of 464.27 km². The city is known as "Capital of Beer" by the daily output of its factories, considered the biggest in Latin America. The economic activity is mainly based on industrial production. The industries produce mainly paper, chemicals, glass, wire, and rubber.