It has a cathedral see, the Catedral Nuestra Señora del Rosario, located in the city of Puyo, capital of Pastaza Province in Ecuador's Amazon rainforest.

Its name was changed to the Apostolic Prefecture of Canelos by Pope Pius XI on 19 February 1930.

The prefecture was elevated to the status of Vicariate Apostolic of Canelos by Pope Paul VI on 29 September 1964.

[1][2] It remains exempt, i.e. directly subject to the Holy See, not part of any ecclesiastical province.

You can help Wikipedia by expanding it.This article on a Roman Catholic diocese in Ecuador is a stub.