SANTISSIMA CONCEZIONE DI ARAGUAJA, PRELATURE of. — Suffragan of Belém do Pará, in the State of Pará, Brazil.
Formerly a Dominican mission, it became a prelature in 1911. It has a population of 20,000 inhabitants, of whom 15,000 are Catholics. It has 2 parishes, with one diocesan priest and 4 religious priests, 2 male religious communities, and one female community. The titular of the prelature is Our Lady of the Immaculate Conception of Lourdes.