The Archdiocese of Milan (; ) is a

Latin Church The Latin Church () is the largest autonomous () particular church within the Catholic Church, whose members constitute the vast majority of the 1.3 billion Catholics. The Latin Church is one of 24 Catholic particular churches and liturgical ...

ecclesiastical territory or

archdiocese In church governance, a diocese or bishopric is the ecclesiastical district under the jurisdiction of a bishop. History In the later organization of the Roman Empire, the increasingly subdivided provinces were administratively associated ...

of the

Catholic Church The Catholic Church (), also known as the Roman Catholic Church, is the List of Christian denominations by number of members, largest Christian church, with 1.27 to 1.41 billion baptized Catholics Catholic Church by country, worldwid ...

in Italy which covers the areas of

Milan Milan ( , , ; ) is a city in northern Italy, regional capital of Lombardy, the largest city in Italy by urban area and the List of cities in Italy, second-most-populous city proper in Italy after Rome. The city proper has a population of nea ...

Monza Monza (, ; ; , locally ; ) is a city and ''comune'' (municipality) on the Lambro, River Lambro, a tributary of the Po (river), River Po, in the Lombardy region of Italy, about north-northeast of Milan. It is the capital of the province of Mo ...

Lecco Lecco (, , ; ) is a city of approximately 47,000 inhabitants in Lombardy, Northern Italy, north of Milan. It lies at the end of the south-eastern branch of Lake Como (the branch is named ''Branch of Lecco'' / ''Ramo di Lecco''). The Bergamasqu ...

and

Varese Varese ( , ; or ; ; ; archaic ) is a city and ''comune'' in north-western Lombardy, northern Italy, north-west of Milan. The population of Varese in 2018 was 80,559. It is the capital of the Province of Varese. The hinterland or exurban part ...

. It has long maintained its own Latin liturgical rite usage, the

Ambrosian rite The Ambrosian Rite () is a Latin liturgical rites, Latin liturgical rite of the Catholic Church and the Eastern Orthodox Church (specifically The Divine Liturgy of Saint Ambrose). The ritual family, rite is named after Ambrose, Saint Ambrose, a b ...

, which is still used in the greater part of the diocesan territory. Among its past archbishops, the better known are

Ambrose Ambrose of Milan (; 4 April 397), venerated as Saint Ambrose, was a theologian and statesman who served as Bishop of Milan from 374 to 397. He expressed himself prominently as a public figure, fiercely promoting Roman Christianity against Ari ...

Charles Borromeo Charles Borromeo (; ; 2 October 1538 – 3 November 1584) was an Catholic Church in Italy, Italian Catholic prelate who served as Archdiocese of Milan, Archbishop of Milan from 1564 to 1584. He was made a Cardinal (Catholicism), cardinal in 156 ...

Pope Pius XI Pope Pius XI (; born Ambrogio Damiano Achille Ratti, ; 31 May 1857 – 10 February 1939) was head of the Catholic Church from 6 February 1922 until his death in February 1939. He was also the first sovereign of the Vatican City State u ...

and

Pope Paul VI Pope Paul VI (born Giovanni Battista Enrico Antonio Maria Montini; 26 September 18976 August 1978) was head of the Catholic Church and sovereign of the Vatican City State from 21 June 1963 until his death on 6 August 1978. Succeeding John XXII ...

. The Archdiocese of Milan is the metropolitan see of the

ecclesiastical province An ecclesiastical province is one of the basic forms of jurisdiction in Christian churches, including those of both Western Christianity and Eastern Christianity, that have traditional hierarchical structures. An ecclesiastical province consist ...

of Milan, which includes the

suffragan diocese A suffragan diocese is one of the dioceses other than the metropolitan archdiocese that constitute an ecclesiastical province. It exists in some Christian denominations, in particular the Catholic Church, the Coptic Orthodox Church of Alexandr ...

s of

Bergamo Bergamo ( , ; ) is a city in the Alps, alpine Lombardy region of northern Italy, approximately northeast of Milan, and about from the alpine lakes Lake Como, Como and Lake Iseo, Iseo and 70 km (43 mi) from Lake Garda, Garda and Lake ...

Brescia Brescia (, ; ; or ; ) is a city and (municipality) in the region of Lombardy, in Italy. It is situated at the foot of the Alps, a few kilometers from the lakes Lake Garda, Garda and Lake Iseo, Iseo. With a population of 199,949, it is the se ...

Como Como (, ; , or ; ) is a city and (municipality) in Lombardy, Italy. It is the administrative capital of the Province of Como. Nestled at the southwestern branch of the picturesque Lake Como, the city is a renowned tourist destination, ce ...

, Crema,

Cremona Cremona ( , , ; ; ) is a city and (municipality) in northern Italy, situated in Lombardy, on the left bank of the Po (river), Po river in the middle of the Po Valley. It is the capital of the province of Cremona and the seat of the local city a ...

, Lodi, Mantova,

Pavia Pavia ( , ; ; ; ; ) is a town and comune of south-western Lombardy, in Northern Italy, south of Milan on the lower Ticino (river), Ticino near its confluence with the Po (river), Po. It has a population of c. 73,086. The city was a major polit ...

, and

Vigevano Vigevano (; ) is a (municipality) in the province of Pavia, in the Italian region of Lombardy. A historic art town, it is also renowned for shoemaking and is one of the main centres of Lomellina, a rice-growing agricultural district. Vigevano ...

."Archdiocese of Milano "
'' Catholic-Hierarchy.org'' David M. Cheney. Retrieved February 29, 2016."Metropolitan Archdiocese of Milano"
''GCatholic.org.'' Gabriel Chow. Retrieved February 29, 2016. Milan's archdiocese is the largest in

Europe Europe is a continent located entirely in the Northern Hemisphere and mostly in the Eastern Hemisphere. It is bordered by the Arctic Ocean to the north, the Atlantic Ocean to the west, the Mediterranean Sea to the south, and Asia to the east ...

, and the one having the most priests in the world, with, as of 2021, 2,450 priests living in the diocese, among whom 1,712 are secular priests.

History

According to the legend, the

Gospel Gospel originally meant the Christianity, Christian message ("the gospel"), but in the second century Anno domino, AD the term (, from which the English word originated as a calque) came to be used also for the books in which the message w ...

was brought to Milan by the apostle

Barnabas Barnabas (; ; ), born Joseph () or Joses (), was according to tradition an early Christians, Christian, one of the prominent Disciple (Christianity), Christian disciples in Jerusalem. According to Acts 4:36, Barnabas was a Cypriot Jews, Cyprio ...

, and the first Bishop of Milan, Anathalon, was a disciple of that apostle. But a diocese cannot have been established there, as such, before 200, as the dioceses of the church evolved from the civil (Roman) dioceses following the reforms of Emperor Diocletian, for the list of the bishops of Milan names only five predecessors of Mirocles, who participated at the Lateran council held in 313 in Rome. During the persecutions of the third and early fourth century, several Christians suffered

martyrdom A martyr (, ''mártys'', 'witness' stem , ''martyr-'') is someone who suffers persecution and death for advocating, renouncing, or refusing to renounce or advocate, a religious belief or other cause as demanded by an external party. In colloqui ...

and were venerated at Milan: among them Gervasius and Protasius (first persecution of

Diocletian Diocletian ( ; ; ; 242/245 – 311/312), nicknamed Jovius, was Roman emperor from 284 until his abdication in 305. He was born Diocles to a family of low status in the Roman province of Dalmatia (Roman province), Dalmatia. As with other Illyri ...

), Victor, Nabor and Felix, and Nazarius and Celsus. The persecutions ended in 313 when the Emperors

Constantine I Constantine I (27 February 27222 May 337), also known as Constantine the Great, was a Roman emperor from AD 306 to 337 and the first Roman emperor to convert to Christianity. He played a Constantine the Great and Christianity, pivotal ro ...

and

Licinius Valerius Licinianus Licinius (; Ancient Greek, Greek: Λικίνιος; c. 265 – 325) was Roman emperor from 308 to 324. For most of his reign, he was the colleague and rival of Constantine I, with whom he co-authored the Edict of Milan that ...

issued the

Edict of Milan The Edict of Milan (; , ''Diatagma tōn Mediolanōn'') was the February 313 agreement to treat Christians benevolently within the Roman Empire. Frend, W. H. C. (1965). ''The Early Church''. SPCK, p. 137. Western Roman Emperor Constantine I and ...

which proclaimed the

religious toleration Religious tolerance or religious toleration may signify "no more than forbearance and the permission given by the adherents of a dominant religion for other religions to exist, even though the latter are looked on with disapproval as inferior, ...

in the

Roman Empire The Roman Empire ruled the Mediterranean and much of Europe, Western Asia and North Africa. The Roman people, Romans conquered most of this during the Roman Republic, Republic, and it was ruled by emperors following Octavian's assumption of ...

. Historically, the Milanese church has been in full communion with the

Papacy The pope is the bishop of Rome and the Head of the Church#Catholic Church, visible head of the worldwide Catholic Church. He is also known as the supreme pontiff, Roman pontiff, or sovereign pontiff. From the 8th century until 1870, the po ...

. Among its bishops should be named Eustorgius I and Dionysius, who firmly opposed apostasy imposed by the Roman Emperor

Constantius II Constantius II (; ; 7 August 317 – 3 November 361) was Roman emperor from 337 to 361. His reign saw constant warfare on the borders against the Sasanian Empire and Germanic peoples, while internally the Roman Empire went through repeated civ ...

. Dionysus was exiled to

Cappadocia Cappadocia (; , from ) is a historical region in Central Anatolia region, Turkey. It is largely in the provinces of Nevşehir, Kayseri, Aksaray, Kırşehir, Sivas and Niğde. Today, the touristic Cappadocia Region is located in Nevşehir ...

(355), while the Romans put Auxentius on the episcopal throne of Milan. At the death of Auxentius,

was elected bishop by the people of Milan (374-97). Among his successors, Simplicianus,

Senator A senate is a deliberative assembly, often the upper house or Legislative chamber, chamber of a bicameral legislature. The name comes from the Ancient Rome, ancient Roman Senate (Latin: ''Senatus''), so-called as an assembly of the senior ...

and Dacius (530-52), who lived almost always in exile at

Constantinople Constantinople (#Names of Constantinople, see other names) was a historical city located on the Bosporus that served as the capital of the Roman Empire, Roman, Byzantine Empire, Byzantine, Latin Empire, Latin, and Ottoman Empire, Ottoman empire ...

on account of the Gothic War. During the Lombard invasion, many things happened to the church in Milan. The

Schism of the Three Chapters The Schism of the Three Chapters was a schism that affected Chalcedonian Christianity in Northern Italy lasting from 553 to 698 AD and in some areas to 715 AD, although the area out of communion with Rome contracted during that time. It was part of ...

guaranteed autonomy of the Milanese Church for 38 years, since the Lombards were enemies of the Byzantines. At the siege of Milan by the Lombard

Alboin Alboin (530s – 28 June 572) was List of kings of the Lombards, king of the Lombards from about 560 until 572. During his reign the Lombards ended their migration period, migrations by settling in Kingdom of the Lombards, Italy, the northern ...

, the Bishop Honoratus (568) sought refuge in

Genoa Genoa ( ; ; ) is a city in and the capital of the Italian region of Liguria, and the sixth-largest city in Italy. As of 2025, 563,947 people live within the city's administrative limits. While its metropolitan city has 818,651 inhabitan ...

, with a great number of his clergy, which returned to Milan only 70 years later under John the Good. In the 10th century, the archbishops of Milan became

feudatory A vassal or liege subject is a person regarded as having a mutual obligation to a lord or monarch, in the context of the feudal system in medieval Europe. While the subordinate party is called a vassal, the dominant party is called a suzerai ...

of the

Emperor The word ''emperor'' (from , via ) can mean the male ruler of an empire. ''Empress'', the female equivalent, may indicate an emperor's wife (empress consort), mother/grandmother (empress dowager/grand empress dowager), or a woman who rules ...

extending his jurisdiction to all northwest Italy. The most distinguished of these was Ariberto da Intimiano (1018–45). As the power of the burghers grew, that of the archbishops waned, and with it the imperial authority which the prelate represented, and from the 12th century Milan became a

Guelph Guelph ( ; 2021 Canadian Census population 143,740) is a city in Southwestern Ontario, Canada. Known as The Royal City, it is roughly east of Kitchener, Ontario, Kitchener and west of Downtown Toronto, at the intersection of Ontario Highway 6, ...

town that fought the Emperor. The archbishop Ottone Visconti in the 13th-century caused himself to be proclaimed perpetual lord, thus putting an end to the Republic of Milan and establishing the power of the House of Visconti who ruled the

Duchy of Milan The Duchy of Milan (; ) was a state in Northern Italy, created in 1395 by Gian Galeazzo Visconti, then the lord of Milan, and a member of the important Visconti of Milan, Visconti family, which had been ruling the city since 1277. At that time, ...

from 1277 to 1447. The figure who marked the modern history of the church of Milan was

, archbishop of Milan from 1564 to 1584, who was a leading figure during the

Counter-Reformation The Counter-Reformation (), also sometimes called the Catholic Revival, was the period of Catholic resurgence that was initiated in response to, and as an alternative to or from similar insights as, the Protestant Reformations at the time. It w ...

and was responsible for significant reforms in the Catholic Church. His pastoral efforts were followed also by his successors, such as

Federico Borromeo Federico Borromeo (; 18 August 1564 – 21 September 1631) was an Italian cardinal (Catholicism), cardinal, Roman Catholic Archdiocese of Milan, Archbishop of Milan, and prominent figure of the Counter-Reformation in Italy. His acts of charity, ...

(died 1631) and Giuseppe Pozzobonelli (died 1783). In the 20th century, two Cardinal Archbishops of Milan were elected to the papacy: in 1922, Cardinal Achille Ratti was elected as

, and in 1963 Cardinal Giovanni Battista Montini was elected as

. The church of Milan was governed from 1979 to 2002 by Cardinal Carlo Maria Martini, who had been a favorite of the Catholic left.

Present leadership

As of 7 July 2017, the current Metropolitan Archbishop of Milan is Archbishop Mario Enrico Delpini, who has been serving since his appointment by

Pope Francis Pope Francis (born Jorge Mario Bergoglio; 17 December 1936 – 21 April 2025) was head of the Catholic Church and sovereign of the Vatican City State from 13 March 2013 until Death and funeral of Pope Francis, his death in 2025. He was the fi ...

, having served previously as the Vicar-General and the Auxiliary Bishop of Milan. Delpini had succeeded the retiring Cardinal Angelo Scola, who had been in office since 2011 and had been a possible

papabile ( , , ; plural: ; ) is an unofficial Italian term coined by Vaticanologists and used internationally in many languages to describe a Catholic man—in practice, always a cardinal—who is thought of as a likely or possible candidate to be ...

. Archbishop Delpini is assisted by four Auxiliary Bishops: Erminio De Scalzi, Luigi Stucchi, Franco Agnesi, and Paolo Martinelli. The resignations of Stucchi and De Scalzi were accepted by Pope Francis on 30 April 2020. That same day, he appointed Giovanni Raimondi and Giuseppe Vegezzi as auxiliary bishops.

Seminaries

The

Seminary A seminary, school of theology, theological college, or divinity school is an educational institution for educating students (sometimes called seminarians) in scripture and theology, generally to prepare them for ordination to serve as cle ...

of the archdiocese has the principal seat in Venegono Inferiore. The

minor seminary A minor seminary or high school seminary is a secondary day or boarding school created for the specific purpose of enrolling teenage boys who have expressed interest in becoming Priesthood (Catholic Church), Catholic priests. They are generally ...

is located in Seveso.

Bishops and archbishops

A list of the bishops and archbishops of Milan is engraved on a plaque in the South nave of the

Cathedral of Milan Milan Cathedral ( ; ), or Metropolitan Cathedral-Basilica of the Nativity of Saint Mary (), is the cathedral church of Milan, Lombardy, Italy. Dedicated to the Nativity of St. Mary (), it is the seat of the Archbishop of Milan, currently Archbi ...

, but that list contains historical errors. The list below follows the work of Eugenio Cazzani.

Late antiquity

Genoa period

* Honoratus (560–571?) * Frontone (571–573?) * Lawrence II (573–592) * Constantius (593–600) * Deodatus (601–628) * Asterius (629–639) *

Forte Forte or Forté may refer to: Music *Forte (music), a musical dynamic meaning "loudly" or "strong" * Forte number, an ordering given to every pitch class set * Forte (notation program), a suite of musical score notation programs * Forte (vocal ...

(639–641)

Middle Ages

Modern period

Parishes

The 1,104 parishes all fall within the region of

Lombardy The Lombardy Region (; ) is an administrative regions of Italy, region of Italy that covers ; it is located in northern Italy and has a population of about 10 million people, constituting more than one-sixth of Italy's population. Lombardy is ...

. They are divided between the

Province of Bergamo The province of Bergamo (; ) is a Provinces of Italy, province in the Lombardy region of Italy. Its capital is the city of Bergamo. The province has a population of 1,103,768 (2023), an area of , and contains 242 ''comune, comuni'' (municipali ...

, the

Province of Como The province of Como (; Comasco dialect, Comasco: ) is a Provinces of Italy, province in the Lombardy region of Italy. It borders the Switzerland, Swiss cantons of Ticino and Grisons, Grigioni to the north, the Italian provinces of Province of ...

, the

Province of Lecco The province of Lecco (; Lecchese: ) is a Provinces of Italy, province in the Lombardy region of Italy. Its capital is the city of Lecco. As of 2017, the province had a population of 337,211 on a surface of divided into 85 ''comuni'' (: ''com ...

, the

Province of Milan The province of Milan () was a province in the Lombardy region of Italy. Its capital was the city of Milan. The area of the former province is highly urbanized, with more than 2,000 inhabitants/km2, the third-highest population density among Ital ...

, the

Province of Pavia The province of Pavia () is a Provinces of Italy, province in the Lombardy region of Italy. Its capital is Pavia. , the province has a population of 548,722 inhabitants and an area of ; the town of Pavia has a population of 72,205. History T ...

, and the

Province of Varese The province of Varese () is a Provinces of Italy, province in the Lombardy region of Italy. Its capital is the city of Varese (population of 80,857 inhabitants), but its largest city is Busto Arsizio. The headquarters of AgustaWestland, the compa ...

.Source for parishes: .

Notes and references

Sources

* *Lanzoni, Francesco (1927).
Le diocesi d'Italia dalle origini al principio del secolo VII (an. 604)
'. Faenza: F. Lega. *Kehr, Paul Fridolin (1913).
Italia pontificia
' Vol. VI. pars i. . Berolini: Weidmann. pp. 24-119. *Savio, Fedele (1904). "La «Datiana Historia», o vita dei primi vescovi di Milano," . I
''Rivista di scienze storiche'' Vol. 1
(1904), pp. 270-282; 385-397; 480-489. *Savio, Fedele (1913)
''Gli antichi vescovi d'Italia dalle origini al 1300 descritti per regioni: La Lombardia, Parte 1: Milano''
. Firenze: Libreria Editrice Fiorentina, 1913.

External links

*
List of archbishops, part one

List of archbishops, part two

{{Authority control Apostolic sees

Christianity in Milan Metropolitan City of Milan Province of Bergamo Province of Como Province of Lecco Province of Pavia Province of Varese Pope Paul VI Pope Pius XI

1st-century establishments in Italy

History

Present leadership

Seminaries

Bishops and archbishops

Late antiquity

Genoa period

Middle Ages

Modern period

Parishes

See also

Notes and references

Sources

External links