Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Volta Redonda is the name of a city in the Rio de Janeiro state of Brazil with 182,81 km² of area, located from 350m to 707m from the sea level (22º31''23" S, 44º06''15" W) and with a population of 259.811 inhabitants (estimated in 2009). The area around the city has nearly 700,000. Its name (which is Portuguese for Round Turn) is due to the round shape of a curve in the Paraíba do Sul river around which the city was built.Situated in Volta Redonda is Companhia Siderurgica Nacional (CSN), Latin America''s largest steel producer.