List of the Roman Catholic dioceses in Italy

The following is the List of the Roman Catholic dioceses of Italy. The Roman Catholic Church in Italy is composed of hundreds of particular churches, most of which are dioceses led by bishops. Dioceses led by archbishops are called archdioceses. There are 42 metropolitan archdioceses which serve as the seats of 42 Roman Catholic ecclesiastical provinces in Italy.

=List of Roman Catholic dioceses in Italy=

Episcopal Conference of Italy

Ecclesiastical Province of Agrigento

*Archdiocese of Agrigento
**Diocese of Caltanissetta
**Diocese of Piazza Armerina

Ecclesiastical Province of Ancona-Osimo

*Archdiocese of Ancona-Osimo
**Diocese of Fabriano-Matelica
**Diocese of Jesi
**Diocese of Senigallia
**Territorial Prelature of Loreto

Ecclesiastical Province of Bari-Bitonto

*Archdiocese of Bari-Bitonto
**Archdiocese of Trani-Barletta-Bisceglie
**Diocese of Altamura-Gravina-Acquaviva delle Fonti
**Diocese of Andria
**Diocese of Conversano-Monopoli
**Diocese of Molfetta-Ruvo-Giovinazzo-Terlizzi

Ecclesiastical Province of Benevento

*Archdiocese of Benevento
**Archdiocese of Sant'Angelo dei Lombardi-Conza-Nusco-Bisaccia
**Diocese of Ariano Irpino-Lacedonia
**Diocese of Avellino
**Diocese of Cerreto Sannita-Telese-Sant’Agata de’ Goti
**Territorial Abbey of Montevergine

Ecclesiastical Province of Bologna

*Archdiocese of Bologna
**Archdiocese of Ferrara-Comacchio
**Diocese of Faenza-Modigliana
**Diocese of Imola

Ecclesiastical Province of Campobasso-Boiano

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

Ecclesiastical Province of Cagliari

*Archdiocese of Cagliari
**Diocese of Iglesias
**Diocese of Lanusei
**Diocese of Nuoro

Ecclesiastical Province of Catanzaro-Squillace

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

Ecclesiastical Province of Catania

*Archdiocese of Catania
**Diocese of Acireale
**Diocese of Caltagirone

Ecclesiastical Province of Chieti-Vasto

*Archdiocese of Chieti-Vasto
**Archdiocese of Lanciano-Ortona

Ecclesiastical Province of Cosenza-Bisignano

*Archdiocese of Cosenza-Bisignano
**Archdiocese of Rossano-Cariati
**Diocese of Cassano all'Jonio
**Diocese of San Marco Argentano-Scalea

Ecclesiastical Province of Fermo

*Archdiocese of Fermo
**Archdiocese of Camerino-San Severino Marche
**Diocese of Ascoli Piceno
**Diocese of Macerata-Tolentino-Recanati-Cingoli-Treia
**Diocese of San Benedetto del Tronto-Ripatransone-Montalto

Ecclesiastical Province of Florence

*Archdiocese of Florence
**Diocese of Arezzo-Cortona-Sansepolcro
**Diocese of Fiesole
**Diocese of Pistoia
**Diocese of Prato
**Diocese of San Miniato

Ecclesiastical Province of Foggia-Bovino

*Archdiocese of Foggia-Bovino
**Archdiocese of Manfredonia-Vieste-S. Giovanni Rotondo
**Diocese of Cerignola-Ascoli Satriano
**Diocese of Lucera-Troia
**Diocese of San Severo

Ecclesiastical Province of Genoa

*Archdiocese of Genoa
**Diocese of Albenga-Imperia
**Diocese of Chiavari
**Diocese of La Spezia-Sarzana-Brugnato
**Diocese of Savona-Noli
**Diocese of Tortona
**Diocese of Ventimiglia-San Remo

Ecclesiastical Province of Gorizia

*Archdiocese of Gorizia
**Diocese of Trieste

Ecclesiastical Province of L'Aquila

*Archdiocese of L'Aquila
**Diocese of Avezzano
**Diocese of Sulmona-Valva

Ecclesiastical Province of Lecce

*Archdiocese of Lecce
**Archdiocese of Brindisi-Ostuni
**Archdiocese of Otranto
**Diocese of Nardò-Gallipoli
**Diocese of Ugento-Santa Maria di Leuca

Ecclesiastical Province of Messina-Lipari-Santa Lucia del Mela

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

Ecclesiastical Province of Milan

*Archdiocese of Milan
**Diocese of Bergamo
**Diocese of Brescia
**Diocese of Como
**Diocese of Crema
**Diocese of Cremona
**Diocese of Lodi
**Diocese of Mantua
**Diocese of Pavia
**Diocese of Vigevano

Ecclesiastical Province of Modena-Nonantola

*Archdiocese of Modena-Nonantola
**Diocese of Carpi
**Diocese of Fidenza
**Diocese of Parma
**Diocese of Piacenza-Bobbio
**Diocese of Reggio Emilia-Guastalla

Ecclesiastical Province of Naples

*Archdiocese of Naples
**Archdiocese of Capua
**Archdiocese of Sorrento-Castellammare di Stabia
**Diocese of Acerra
**Diocese of Alife-Caiazzo
**Diocese of Aversa
**Diocese of Caserta
**Diocese of Ischia
**Diocese of Nola
**Diocese of Pozzuoli
**Diocese of Sessa Aurunca
**Diocese of Teano-Calvi
**Territorial Prelature of Pompei o Beatissima Vergine Maria del SS.mo Rosario

Ecclesiastical Province of Oristano

*Archdiocese of Oristano
**Diocese of Ales-Terralba

Ecclesiastical Province of Palermo

*Archdiocese of Palermo
**Archdiocese of Monreale
**Diocese of Cefalu
**Diocese of Mazara del Vallo
**Diocese of Trapani

Ecclesiastical Province of Perugia-Città della Pieve

*Archdiocese of Perugia-Città della Pieve
**Diocese of Assisi-Nocera Umbra-Gualdo Tadino
**Diocese of Città di Castello
**Diocese of Foligno
**Diocese of Gubbio

Ecclesiastical Province of Pesaro

*Archdiocese of Pesaro
**Archdiocese of Urbino-Urbania-Sant'Angelo in Vado
**Diocese of Fano-Fossombrone-Cagli-Pergola

Ecclesiastical Province of Pescara-Penne

*Archdiocese of Pescara-Penne
**Diocese of Teramo-Atri

Ecclesiastical Province of Pisa

*Archdiocese of Pisa
**Diocese of Livorno
**Diocese of Massa Carrara-Pontremoli
**Diocese of Pescia
**Diocese of Volterra

Ecclesiastical Province of Potenza-Muro Lucano-Marsico Nuovo

*Archdiocese of Potenza-Muro Lucano-Marsico Nuovo
**Archdiocese of Acerenza
**Archdiocese of Matera-Irsina
**Diocese of Melfi-Rapolla-Venosa
**Diocese of Tricarico
**Diocese of Tursi-Lagonegro

Ecclesiastical Province of Ravenna-Cervia

*Archdiocese of Ravenna-Cervia
**Diocese of Cesena-Sarsina
**Diocese of Forli-Bertinoro
**Diocese of Rimini
**Diocese of San Marino-Montefeltro

Ecclesiastical Province of Reggio Calabria-Bova

*Archdiocese of Reggio Calabria-Bova
**Diocese of Locri-Gerace
**Diocese of Mileto-Nicotera-Tropea
**Diocese of Oppido Mamertina-Palmi

Ecclesiastical Province of Rome

*Archdiocese of Rome
**Suburbicarian See of Albano
**Suburbicarian See of Frascati
**Suburbicarian See of Palestrina
**Suburbicarian See of Porto-Santa Rufina
**Suburbicarian See of Sabina-Poggio Mirteto
**Suburbicarian See of Velletri-Segni
**Archdiocese of Gaeta
**Diocese of Anagni-Alatri
**Diocese of Civita Castellana
**Diocese of Civitavecchia-Tarquinia
**Diocese of Frosinone-Veroli-Ferentino
**Diocese of Latina-Terracina-Sezze-Priverno
**Diocese of Rieti
**Diocese of Sora-Aquino-Pontecorvo
**Diocese of Tivoli
**Diocese of Viterbo
**Territorial Abbey of Montecassino
**Territorial Abbey of San Paolo fuori le Mura
**Territorial Abbey of Santa Maria di Grottaferrata
**Territorial Abbey of Subiaco

Ecclesiastical Province of Sassari

*Archdiocese of Sassari
**Diocese of Alghero-Bosa
**Diocese of Ozieri
**Diocese of Tempio-Ampurias

Ecclesiastical Province of Salerno-Campagna-Acerno

*Archdiocese of Salerno-Campagna-Acerno
**Archdiocese of Amalfi-Cava de' Tirreni
**Diocese of Nocera Inferiore-Sarno
**Diocese of Teggiano-Policastro
**Diocese of Vallo della Lucania
**Territorial Abbey of Santissima Trinità di Cava de' Tirreni

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

*Archdiocese of Siena-Colle di Val d'Elsa-Montalcino
**Diocese of Grosseto
**Diocese of Massa Marittima-Piombino
**Diocese of Montepulciano-Chiusi-Pienza
**Diocese of Pitigliano-Sovana-Orbetello

Ecclesiastical Province of Siracusa

*Archdiocese of Siracusa
**Diocese of Noto
**Diocese of Ragusa

Ecclesiastical Province of Taranto

*Archdiocese of Taranto
**Diocese of Castellaneta
**Diocese of Oria

Ecclesiastical Province of Turin

*Archdiocese of Turin
**Diocese of Acqui
**Diocese of Alba Pompeia
**Diocese of Aosta
**Diocese of Asti
**Diocese of Cuneo
**Diocese of Fossano
**Diocese of Ivrea
**Diocese of Mondovi
**Diocese of Pinerolo
**Diocese of Saluzzo
**Diocese of Susa

Ecclesiastical Province of Trento

*Archdiocese of Trento
**Diocese of Bolzano-Brixen

Ecclesiastical Province of Udine

*Archdiocese of Udine

Ecclesiastical Province of Venice

*Archdiocese of Venice
**Diocese of Adria-Rovigo
**Diocese of Belluno-Feltre
**Diocese of Chioggia
**Diocese of Concordia-Pordenone
**Diocese of Padua
**Diocese of Treviso
**Diocese of Verona
**Diocese of Vicenza
**Diocese of Vittorio Veneto

Ecclesiastical Province of Vercelli

*Archdiocese of Vercelli
**Diocese of Alessandria della Paglia
**Diocese of Biella
**Diocese of Casale Monferrato
**Diocese of Novara

Immediately Subject to the Holy See

*Archdiocese of Lucca
*Archdiocese of Spoleto
*Diocese of Orvieto-Todi
*Diocese of Terni-Narni-Amelia
*Eparchy of Lungro degli Albanesi
*Eparchy of Piana degli Albanesi
*Monte Oliveto Maggiore (Territorial Abbey)
*Military Ordinariate of Italy

Resources

* [http://www.catholic-hierarchy.org/country/it.html Catholic Hierarchy Profile of the Catholic Church in Italy]