The Archdiocese of Cuiabá is a Roman Catholic archdiocese located in the state of Mato Grosso, Brazil. Established in 1775, it serves as a significant religious authority in the region, overseeing various parishes and communities. The archdiocese is part of the Latin Church and is dedicated to promoting the Catholic faith and supporting local initiatives. The archdiocese's seat is the Cathedral of Our Lady of the Immaculate Conception, which is an important historical and architectural landmark. The current archbishop is Dom Milton Santos de Oliveira, who plays a vital role in guiding the spiritual and administrative activities of the archdiocese.