Barra Mansa is a municipality located in the Brazilian state of Rio de Janeiro. It is in the microregion of the Paraíba Valley, within the mesoregion of the South Fluminense. It is located at latitude 22º32'39 "south, longitude 44º10'17" west and altitude of 381 meters. Its estimated population in 2020 was of 184,833 inhabitants, forming a conurbation with the cities of Volta Redonda and Pinheiral with a population of more than 450 thousand inhabitants. It has an area of 548.9 km2.