Territorial abbey immediately subject to the Holy See Santa Maria di Grottaferrata, Italy
Diocese of Santa Maria di Grottaferrata
B. Mariae Cryptaeferratae
Byzantine tradition
Byzantine (Italo-Albanian) rite territorial abbey near Rome, founded in 1004 by Saint Nilus of Rossano and immediately subject to the Holy See (not Latin rite as commonly listed). After a long vacancy, Manuel Nin Güell, O.S.B., was appointed in January 2026 to oversee it.
On the map
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- Established
- 1004
- Catholics
- 9
- Priests
- 4
- Territory
- 1 km²
Parishes and churches
2 listed churches in our records. Open a parish for Mass times, confession, directions and sources where recorded.
This is our recorded coverage, not an official diocesan parish count. Confirm service times with the parish before travelling.
The bishop
- Apostolic Administrator
- Manuel Nin Güell
- Born
- 20 August 1956
- Birthplace
- El Vendrell
- Institute
- Congregazione Sublacense Cassinese dell'Ordine di San Benedetto
Explore the ministry of the bishop.
The cathedral
Abbey Church of Santa Maria di Grottaferrata stands in Santa Maria di Grottaferrata, the church that holds the cathedra from which this see takes its name.
On what a cathedral is, see the cathedral; every see church on earth is gathered at the cathedrals.