Diocese of Bagnoregio
suppressed diocese in Italy

The Diocese of Bagnoregio is a former Catholic territory, located in the modern Province of Viterbo in the Italian region of Lazio, located about 90 kilometres (56 mi) northwest of Rome. Prior to the creation of the Kingdom of Italy, it belonged to the Papal States, and was located in the region of Umbria. It had been given to the Papal States by the Emperor Louis I in 822. In terms of religious administration, it was directly dependent upon the Holy See (Papacy). The pope appointed an Apostolic Administrator for the diocese of Bagnoregio on 8 June 1970, and the bishop was not replaced when he died in 1971. The diocese was suppressed on 30 September 1986 by Pope John Paul II.
History
According to tradition, St. Ansanus preached the Gospel here in the third century and the church of Santa Maria delle Carceri outside the Alban Gate was said to have been built above the prison in which he was confined. He was not, however, a bishop.
There are no records as to the date of the erection of the diocese. Pope Gregory I, about the year 600, was informed of the election of the deacon John in Bagnoregio, and a letter of the Pope to the Bishop of Chiusi instructs the bishop to investigate the election, since the deacon John was not known by the Pope.
“Diocese of Bagnoregio” enters the record as suppressed diocese in Italy. Crown Archives preserves that source wording while asking what Diocese, Bagnoregio and suppressed can confirm, complicate or overturn.
Why this record matters
“Diocese of Bagnoregio” is worth following because a concise public description often conceals a longer documentary argument. Here, Diocese, Bagnoregio and suppressed provides the most credible route into that argument.
Vocabulary and entity names are the principal evidence signals here, because they determine the precision of every later search. The source revision retrieved here is dated Aug 19, 2026. The linked authority identifier is Q805485. Authority coordinates are 42.241, 12.226. 1 of 2 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1970, 1971 and 1986.
Overview language is designed for orientation and should not be treated as a substitute for the evidence cited beneath it. The source lead contains qualifying language; that uncertainty should survive quotation, summary and reuse. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
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This entry incorporates text from “Diocese of Bagnoregio” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.