Duque de Caxias is a city located in the state of Rio de Janeiro, Brazil. It is part of the metropolitan area of Rio de Janeiro City and is known for its diverse population and urban development. The city was founded in 1943 and named after the Brazilian military leader Luís Alves de Lima e Silva, who held the title of Duke of Caxias. The city features various neighborhoods, parks, and cultural institutions. It has a mix of residential and commercial areas, contributing to its economic growth. Duque de Caxias is also known for its transportation links, making it accessible to surrounding regions and enhancing its role as a hub in the state.