List of Catholic dioceses in Italy

The following is the List of the Catholic dioceses in Italy. {{As of|May 2017}}, the Catholic Church in Italy is divided into sixteen ecclesiastical regions. While they are similar to the 20 civil regions of the Italian state, there are some differences. Most ecclesiastical regions are in turn divided into a number of ecclesiastical provinces. The provinces are in turn divided into a number of dioceses. The sovereign state of Vatican City is part of the metropolitan province of Rome. A metropolitan bishop exercises a degree of leadership over a group of dioceses that are loosely subject (suffragan) to the care of the metropolitan see. This list excludes those archdioceses, dioceses and ecclesiastical territories that are immediately subject to the Holy See.

There are 227 sees ('particular churches'), most of which are dioceses led by a bishop. A diocese that is led by an archbishop is known as an archdiocese. There are 40 Metropolitan archdioceses which serve as the seat of an ecclesiastical province. This number includes the Holy See and the Patriarchate of Venice. There are also four archdioceses which are non-metropolitan, having been demoted by papal decree. This brings the number of archbishops in Italy and Vatican City to 44 (i.e. 40 + 4).

All the sees belong to the Latin Church apart from three Eastern Catholic sees of the Italo-Albanian Catholic Church that use the Byzantine Rite in the Albanian language. All sees of the Latin Church use the Roman Rite apart from the Metropolitan Archdiocese of Milan, which mainly uses the Ambrosian Rite.

Episcopal Conference of Italy

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! style="width:25px" | Map
Code

! style="width:120px" | Ecclesiastical
Region

! style="width:250px" | Ecclesiastical
Province

rowspan="5" |1

| rowspan="5"|Abruzzo-Molise

L'Aquila in Abruzzo

Chieti-Vasto in Abruzzo

Pescara-Penne in Abruzzo

Campobasso-Boiano in Molise

rowspan="2" |2

| rowspan="2" | Basilicata

Potenza-Muro Lucano-Marsico Nuovo

rowspan="4" |3

| rowspan="4" | Calabria

Calabria-Bova

Catanzaro-Squillace

Cosenza-Bisignano

rowspan="4" |4

| rowspan="4" | Campania

Salerno-Campagna-Acerno

Benevento

Naples

rowspan="4" |5

| rowspan="4" | Emilia-Romagna

Bologna

Modena-Nonantola

Ravenna-Cervia

rowspan="2" |6

| rowspan="2" | Lazio

Rome

rowspan="2" |7

| rowspan="2" | Liguria

Genoa

rowspan="2" |8

| rowspan="2" | Lombardy

Milan

rowspan="4" |9

| rowspan="4" | Marche

Ancona-Osimo

Fermo

Pesaro

rowspan="3" |10

| rowspan="3" | Piedmont

Turin including Aosta Valley

Vercelli in Piedmont

rowspan="5" |11

| rowspan="5" | Puglia

rowspan="4" |12

| rowspan="4" |Sardinia

Cagliari

Oristano

Sassari

rowspan="6" |13

| rowspan="6" |Sicily

rowspan="4" |14

| rowspan="4" |Tuscany

Florence

Pisa

Siena-Colle di Val d'Elsa-Montalcino

rowspan="5" |15

| rowspan="5" |Triveneto

Gorizia in Friuli-Venezia Giulia

Udine in Friuli-Venezia Giulia

Trento in Trentino-Alto Adige/Südtirol

Venice in Veneto

rowspan="2" |16

| rowspan="2" |Umbria

Perugia-Città della Pieve

Exempt

{{For|a complete list|List of Catholic dioceses (structured view)#Episcopal Conference of Italy, including San Marino and Vatican City State}}

The following are immediately Subject to the Holy See, despite not being in the Pope's Ecclesiastical Province of Rome.

non-Metropolitan Archdiocese of Lucca
non-Metropolitan Archdiocese of Spoleto-Norcia
Diocese of Orvieto-Todi
Diocese of Terni-Narni-Amelia
Territorial Abbey of Monte Oliveto Maggiore
Military Ordinariate of Italy
Personal Prelature of Opus Dei

= [[Italo-Albanian Catholic Church]] =

(Byzantine Rite, the only non-Latin dioceses in Italy)

Ecclesiastical Region of Abruzzo-Molise

The ecclesiastical provinces of L'Aquila, Chieti-Vasto and Pescara-Penne are mainly situated in the civil region of Abruzzo while Campobasso-Boiano is situated in Molise.

= Ecclesiastical Province of L'Aquila =

= Ecclesiastical Province of Chieti-Vasto =

Metropolitan Archdiocese of Chieti-Vasto
Archdiocese of Lanciano-Ortona

= Ecclesiastical Province of Pescara-Penne =

= Ecclesiastical Province of Campobasso-Boiano =

Metropolitan Archdiocese of Campobasso-Boiano
Diocese of Isernia-Venafro
Diocese of Termoli-Larino
Diocese of Trivento

Ecclesiastical Region of Basilicata

= Ecclesiastical Province of Potenza-Muro Lucano-Marsico Nuovo =

Ecclesiastical Region of Calabria

= Ecclesiastical Province of Reggio Calabria-Bova =

= Ecclesiastical Province of Catanzaro-Squillace =

Metropolitan Archdiocese of Catanzaro-Squillace
Archdiocese of Crotone-Santa Severina
Diocese of Lamezia Terme

= Ecclesiastical Province of Cosenza-Bisignano =

Ecclesiastical Region of Campania

= Ecclesiastical Province of Salerno-Campagna-Acerno =

= Ecclesiastical Province of Benevento =

= Ecclesiastical Province of Naples =

Ecclesiastical Region of Emilia-Romagna

= Ecclesiastical Province of Bologna =

= Ecclesiastical Province of Modena-Nonantola =

= Ecclesiastical Province of Ravenna-Cervia =

Ecclesiastical Region of Lazio

= Ecclesiastical Province of Rome =

Image:San Giovanni in Laterano 2021.jpg, the cathedral church of the pope.]]

Ecclesiastical Region of Liguria

= Ecclesiastical Province of Genoa =

Ecclesiastical Region of Lombardy

= Ecclesiastical Province of Milan =

Ecclesiastical Region of Marche

= Ecclesiastical Province of Ancona-Osimo =

= Ecclesiastical Province of Fermo =

= Ecclesiastical Province of Pesaro =

Ecclesiastical Region of Piedmont

= Ecclesiastical Province of Turin =

= Ecclesiastical Province of Vercelli =

Ecclesiastical Region of Puglia

= Ecclesiastical Province of Bari-Bitonto =

= Ecclesiastical Province of Foggia-Bovino =

= Ecclesiastical Province of Lecce =

= Ecclesiastical Province of Taranto =

Ecclesiastical Region of Sardinia

= Ecclesiastical Province of Cagliari =

= Ecclesiastical Province of Oristano =

Metropolitan Archdiocese of Oristano
Diocese of Ales-Terralba

= Ecclesiastical Province of Sassari =

Ecclesiastical Region of Sicily

= Ecclesiastical Province of Agrigento =

= Ecclesiastical Province of Catania =

= Ecclesiastical Province of Messina-Lipari-Santa Lucia del Mela =

Metropolitan Archdiocese of Messina-Lipari-Santa Lucia del Mela
Diocese of Nicosia
Diocese of Patti

= Ecclesiastical Province of Palermo =

= Ecclesiastical Province of Siracusa (Syracuse) =

Ecclesiastical Region of Tuscany

= Ecclesiastical Province of Firenze (Florence) =

= Ecclesiastical Province of Pisa =

= Ecclesiastical Province of Siena-Colle di Val d'Elsa-Montalcino =

Ecclesiastical Region of Triveneto

In the ecclesiastical region of Triveneto, there are two ecclesiastical provinces of that are situated in the civil region of Friuli-Venezia Giulia (Gorizia and Udine); one province that is mainly situated in the civil region of Trentino-Alto Adige/Südtirol (Trento); one province that is mainly situated in the civil region of Veneto (Venice).

= Ecclesiastical Province of Gorizia =

Metropolitan Archdiocese of Gorizia
Diocese of Trieste

= Ecclesiastical Province of Udine =

Metropolitan Archdiocese of Udine

= Ecclesiastical Province of Trento =

Metropolitan Archdiocese of Trento
Diocese of Bolzano-Brixen

= Ecclesiastical Province of Venice =

Ecclesiastical Region of Umbria

= Ecclesiastical Province of Perugia-Città della Pieve =

Former prelatures

Titular Prelatures

Titular Archiepiscopal Sees :
Metropolitan : Patriarchate of Aquileia, Patriarchate of Grado
other : Archdiocese of Gradisca
Titular Episcopal Sees (158): Acquapendente, Æca, Agropoli, Alessano, Altino, Amiterno, Anglona, Anzio, Aquaviva, Arna, Arpi, Asolo, Atella, Aveia, Bagnoregio, Belcastro, Bettona, Bevagna, Biccari, Bisarcio, Bitetto, Blanda, Blera, Bolsena, Bomarzo, Brescello, Buxentum, Campli, Canne, Canosa, Caorle, Capo della Foresta, Capri, Carini, Carinola, Carmeiano, Castello, Castro, Castro di Puglia, Castro di Sardegna, Caudium, Celano, Cerenzia, Cerveteri, Città Ducale, Civitanova, Civitate, Claterna, Cuma, Dolia, Dragonara, Eclano, Egnazia Appula, Equilio, Eraclea, Erdonia, Faleri, Falerone, Ferento, Fidene, Fiorentino, Fondi, Forconio, Fordongianus, Forlimpopoli, Formia, Foro Flaminio, Frigento, Gabi, Galazia in Campania, Gallese, Galtellì, Grumentum, Guardialfiera, Isola, Labico, Lavello, Lentini, Lesina, Lettere, Lilibeo, Lorium, Luni, Malamocco, Martana, Martirano, Massa Lubrense, Minervino Murge, Minori, Minturno, Miseno, Montecorvino, Montefiascone, Montemarano, Monterano, Monteverde, Mottola, Nepi, Nomento, Numana, Oderzo, Ofena, Orte, Ostra, Otricoli, Ottana, Passo Corese, Pausula, Pesto, Plestia, Ploaghe, Polignano, Populonia, Potenza Picena, Ravello, Roselle, Sabiona, Sala Consilina, Salpi, San Leone, Santa Giusta, Satriano, Scala, Sepino, Sorres, Spello, Strongoli, Subaugusta, Suelli, Sulci, Sutri, Taormina, Tauriano, Termini Imerese, Tharros, Thurio, Tindari, Torcello, Tortiboli, Tre Taverne, Treba, Trevi, Trevi nel Lazio, Trevico, Tricala, Troina, Tronto, Tuscania, Umbriatico, Urbisaglia, Velia, Vescovìo, Vibo Valentia, Vico Equense, Voghenza, Volturno, Vulturara, Zuglio
Titular Abbacies (?nullius) (all 10 united to current dioceses) : Farfa, Fontevivo, Nonantola, Pomposa, San Colombano, San Martino al Monte Cimino, San Michele Arcangelo di Montescaglioso, San Salvatore Maggiore, Santa Maria di Polsi, Santissimo Salvatore

Gallery of Archdioceses

File:Cattedrale di San Gerlando.jpg| The seat of the Archdiocese of Agrigento is Cattedrale Metropolitana di San Gerlando.

File:Ancona S.Ciriaco (43).JPG | The seat of the Archdiocese of Ancona-Osimo is Basilica Cattedrale Metropolitana di San Ciriaco.

File:Osimo - Cathedral St Leo.jpg | The co-seat of the Archdiocese of Ancona-Osimo is Basilica Concattedrale di S. Leopardo.

File:Bari BW 2016-10-19 13-57-32.jpg | The seat of the Archdiocese of Bari-Bitonto is Cattedrale di San Sabino.

File:Cattedralebitonto.JPG| The co-seat of the Archdiocese of Bari-Bitonto is Cattedrale di San Valentino.

File:Benevento-Facciata Duomo 2.jpg | The seat of the Archdiocese of Benevento is Cattedrale di Santa Maria Assunta.

File:Bologna-San Pietro visto dalla Torre degli Asinelli.jpg | The seat of the Archdiocese of Bologna is Cattedrale Metropolitana di San Pietro.

File:San Bartolomeo Campobasso.JPG | The co-seat of the Archdiocese of Campobasso-Boiano is Concattedrale di S. Bartolomeo(Boiano).

File:AUT 1832.JPG | The seat of the Archdiocese of Cagliari is Cattedrale di Santa Maria e Santa Cecilia.

File:Duomocz1.jpg | The seat of the Archdiocese of Catanzaro-Squillace is Cattedrale di S. Maria Assunta.

File:Dom von Squillace.jpg | The co-seat of the Archdiocese of Catanzaro-Squillace is Concattedrale di S. Maria Assunta(Squillace).

File:Catania BW 2012-10-06 12-26-52.JPG | The seat of the Archdiocese of Catania is Cattedrale di Sant'Agata.

File:Chieti kirche 01.jpg | The seat of the Archdiocese of Chieti-Vasto is Cattedrale di S. Giustino.

File:Cattedrale di San Giuseppe a Vasto.JPG | The co-seat of the Archdiocese of Chieti-Vasto is Concattedrale di S. Giuseppe(Vasto).

File:Cosenza, duomo, esterno, facciata del xiii secolo, 01.jpg | The seat of the Archdiocese of Cosenza-Bisignano is Cattedrale di S. Maria Assunta.

File:Fermo duomo.jpg | The seat of the Archdiocese of Fermo is Basilica Cattedrale di Maria SS. Assunta in Cielo.

File:Firenze.Duomo01.JPG | The seat of the Archdiocese of Florence is Basilica di Santa Maria del Fiore.

File:Cattedrale foggia.JPG | The seat of the Archdiocese of Foggia-Bovino is Cattedrale di S. Maria Assunta in Cielo.

File:Duomobovino.JPG | The co-seat of the Archdiocese of Foggia-Bovino is Basilica Concattedrale di S. Maria Assunta(Bovino).

File:St.LawrenceCathedral.jpg | The seat of the Archdiocese of Genoa is Cattedrale di San Lorenzo.

File:Duomo di Gorizia.jpg | The seat of the Archdiocese of Gorizia is Cattedrale di Ss. Ilario e Taziano.

File:L'Aquila -Cathedral- 2007 by-RaBoe 06.jpg | The seat of the Archdiocese of L'Aquila is Cattedrale di SS. Massimo e Giorgio.

File:Lecce cathedral main entrance.jpg | The seat of the Archdiocese of Lecce is Cattedrale di Maria SS. Assunta.

File:Dome Lucques Duomo San Martino Lucca.jpg| The seat of the Archdiocese of Lucca is Cattedrale di S. Martino.

File:Messina Dome.jpg | The seat of the Archdiocese of Messina-Lipari-Santa Lucia del Mela is Basilica Cattedrale di S. Maria SS. Assunta.

File:Church Messina Chiesa di San Salvatore.jpg| The co-seat of the Archdiocese of Messina-Lipari-Santa Lucia del Mela is Concattedrale Archimandritato del Santissimo Salvatore(Messina).

File:Lipari Cattedrale.jpg | The co-seat of the Archdiocese of Messina-Lipari-Santa Lucia del Mela is Concattedrale di S. Bartolomeo(Lipari).

File:Basilica Cattedrale.jpg | The co-seat of the Archdiocese of Messina-Lipari-Santa Lucia del Mela is Concattedrale di S. Maria Assunta(San Lucia) .

File:Milan Cathedral from Piazza del Duomo.jpg | The seat of the Archdiocese of Milan is Cattedrale di S. Maria Nascente.

File:Diomo di Modena.JPG | The seat of the Archdiocese of Modena-Nonantola is Basilica Cattedrale di S. Maria Assunta.

File:Abbazia di nonantola 00.JPG | The co-seat of the Archdiocese of Modena-Nonantola is Basilica Abbaziale di San Silvestro I Papa(Nonantola).

File:Naples duomo facade.jpg| The seat of the Archdiocese of Naples is Cattedrale di Santa Maria Assunta.

File:Duomo di oristano, esterno 01.jpg| The seat of the Archdiocese of Oristano is Cattedrale di S. Maria Assunta.

File:Panoramica Cattedrale di Palermo.jpg | The seat of the Archdiocese of Palermo is Cattedrale di l’Assunzione di Maria.

File:Catedral de perugia.jpg | The seat of the Archdiocese of Perugia-Città della Pieve is Cattedrale di S. Lorenzo.

File:Il Duomo di Pesaro.jpg | The seat of the Archdiocese of Pesaro is Basilica Cattedrale di S. Maria Assunta.

File:Pescara - Cattedrale di San Cetteo 01.JPG| The seat of the Archdiocese of Pescara-Penne is Cattedrale di S. Cetteo Vescovo e Martire.

File:PisaDuomoSunset20020322.JPG | The seat of the Archdiocese of Pisa is Cattedrale di S. Maria Assunta.

File:PiazzaDuomoPZ.jpg| The seat of the Archdiocese of Potenza-Muro Lucano-Marsico Nuovo is Basilica Cattedrale di S. Maria Assunta e S. Gerardo Vescovo.

File:Dom Ravenna (4b).jpg| The seat of the Archdiocese of Ravenna-Cervia is Cattedrale di Risurrezione di N.S. Gesù Cristo.

File:Cattedrale di Cervia.JPG| The co-seat of the Archdiocese of Ravenna-Cervia is Cattedrale di S. Pietro(Cervia).

File:Il prospetto principale del duomo.jpg | The seat of the Archdiocese of Reggio Calabria-Bova is Basilica Cattedrale di Maria SS. Assunta in Cielo.

File:San Giovanni in Laterano 2021.jpg | The seat of the Diocese of Rome is Archbasilica of St. John Lateran

File:SAN NICOLA sassari(126).JPG | The seat of the Archdiocese of Sassari is Cattedrale di S. Nicola di Bari.

File:Salerno 2013-05-17 09-37-10.jpg | The seat of the Archdiocese of Salerno-Campagna-Acerno is Cattedrale-Basilica di S. Matteo.

File:Cattedrale Campagna.JPG | The co-seat of the Archdiocese of Salerno-Campagna-Acerno is Concattedrale-Basilica di S. Maria della Pace(Campagna).

File:Concattedrale acerno.jpg | The co-seat of the Archdiocese of Salerno-Campagna-Acerno is Concattedrale di S. Donato(Acerno).

File:Siena Cathedral 1.jpg | The seat of the Archdiocese of Siena-Colle di Val d'Elsa-Montalcino is Cattedrale di S. Maria Assunta.

File:Colle Val d'Elsa -Duomo-.JPG| The co-seat of the Archdiocese of Siena-Colle di Val d'Elsa-Montalcino is the Cathedral of Ss. Marziale & Alberto.

File:Duomo di montalcino 03.JPG | The co-seat of the Archdiocese of Siena-Colle di Val d'Elsa-Montalcino is Concattedrale di S. Salvatore(Montalcino).

File:Ortigia, duomo, facciata 01.JPG| The seat of the Archdiocese of Siracusa is the Cathedral of the Nativity of Mary Most Holy.

File:0960SpoletoDuomo.JPG| The seat of the Archdiocese of Spoleto-Norcia is Cattedrale di Santa Maria Assunta.

File:358NorciaCattedrale.jpg| The co-seat of the Archdiocese of Spoleto-Norcia is Concattedrale di S. Maria Argentea(Norcia).

File:Cattedrale di san cataldo.JPG | The seat of the Archdiocese of Taranto is Basilica Cattedrale di S. Cataldo.

File:Duomo Torino.jpg | The seat of the Archdiocese of Turin is Cattedrale Metropolitana di S. Giovanni Battista.

File:Trento-Piazza del Duomo.jpg | The seat of the Archdiocese of Trento is Basilica Cattedrale di S. Vigilio Vescovo.

File:UdineDuomovistacentrale.jpg | The seat of the Archdiocese of Udine is Cattedrale Metropolitana di S. Maria Annunziata.

File:Veneza47.jpg | The seat of the Archdiocese of Venice is Basilica Cattedrale Patriachale di S. Marco.

File:DuomoVercelli.jpg | The seat of the Archdiocese of Vercelli is Cattedrale-Basilica di S. Eusebio.

Sources and external links

[http://www.gcatholic.org/dioceses/country/IT.htm GCatholic - Italy]
[http://www.gcatholic.org/dioceses/country/IT-former.htm GCatholic - Former and/or titular sees in Italy]
[http://www.catholic-hierarchy.org/country/it.html Catholic Hierarchy Profile of the Catholic Church in Italy]

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Roman Catholic dioceses

Italy