Resende is a municipality located in the Brazilian state of Rio de Janeiro. The population is 132,312 in an area of 1094 km2. Resendense refers to people or things that come from or inhabit Resende. It is the oldest town in this region, which has boundaries with the state of São Paulo and Minas Gerais. It is an important industrial, automotive, metallurgical, and tourist center, and headquarters of the world's second-largest military complex, the Academia Militar das Agulhas Negras (AMAN). Resende is of national importance and houses the Nuclear Fuel Factory complex of the "Indústrias Nucleares" of Brasil, the only one able to enrich uranium. Resende's automotive area holds MAN Latin America, the biggest truck and bus factory of Brazil, limited to PSA Peugeot Citroën and Michelin.

Rio de Janeiro is one of the 27 federative units of Brazil. It has the second largest economy of Brazil, with the largest being that of the state of São Paulo. The state, which has 8.2% of the Brazilian population, is responsible for 9.2% of the Brazilian GDP.