Explore details about location Duque de Caxias. Duque de Caxias is a location situated within the Sede alongside other areas such as Santos Dumont, Scharlau, Rio Branco. Additionally, some smaller parts of Duque de Caxias include specific areas like Rua Oásis, Avenida Theodomiro Porto da Fonseca, Avenida Mauá adding to the diversity of its landscape.