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The seven suburbicarian dioceses (, ) are
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s located in the vicinity of
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, whose ( titular) bishops are the (now six) ordinary members of the highest-ranking order of
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s, the cardinal bishops (to which the cardinal patriarchs were added).
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had, in addition, co-opted five cardinals of the
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to join the ranks of the cardinal bishops. Being awarded the titular title of a suburbicarian see is considered more an honor or prestige than aimed towards a functional intent.


Seven suburbicarian sees

The suburbicarian dioceses have varied slightly over time and nowadays consist of: * the Diocese of Ostia (since 1150 the additional see of the Dean of the College of Cardinals) * the Diocese of Velletri–Segni * the Diocese of Porto–Santa Rufina * the Diocese of Frascati (Tusculum) * the Diocese of Palestrina * the Diocese of Albano * the Diocese of Sabina–Poggio Mirteto The see of Ostia is conferred on the Dean of the College of Cardinals in addition to the see he already had. (Until 1914, the dean received the see of Ostia and Velletri in place of the see he had earlier. The sees of Ostia and Velletri were separated in 1914.) The cardinal-dean used to be the longest-serving cardinal bishop, but is now chosen by the six cardinal bishops with the approval of the
Pope 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 ...
.


Incumbents


Diocesan administration

The increasing involvement of the cardinal bishops in the administration of the papal curia resulted in a detachment from their dioceses. Therefore, some of them, in particular the cardinal-bishops of Sabina and Velletri, have for centuries had
auxiliary bishop An auxiliary bishop is a bishop assigned to assist the diocesan bishop in meeting the pastoral and administrative needs of the diocese. Auxiliary bishops can also be titular bishops of sees that no longer exist as territorial jurisdictions. ...
s and in 1910
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's
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''Apostolicae Romanorum'' made this practice obligatory for all suburbicarian dioceses.''Catholic Encyclopedia'',
Suburbicarian Dioceses
, 1913.
In 1962,
Pope John XXIII Pope John XXIII (born Angelo Giuseppe Roncalli; 25 November 18813 June 1963) was head of the Catholic Church and sovereign of the Vatican City State from 28 October 1958 until his death on 3 June 1963. He is the most recent pope to take ...
in his decree ''Suburbicarii sedis'' made the cardinal bishops into titular bishops and made provision for the appointment of separate residential diocesan bishops for Velletri-Segni, Porto-Santa-Rufina, Frascati, Palestrina, Albano and Sabina. For the diocese of Ostia – the titular diocese of the dean of the College of Cardinals – no resident diocesan bishop was appointed; it is entrusted to an
apostolic administrator An apostolic administration in the Catholic Church is administrated by a prelate appointed by the pope to serve as the ordinary for a specific area. Either the area is not yet a diocese (a stable 'pre-diocesan', usually missionary apostolic admi ...
, which is always the cardinal vicar of Rome. Though the diocesan bishops exercise all episcopal administrative functions, the cardinal bishops still formally take possession of their titular dioceses.


See also

* Diocese of Rome#Suburbicarian sees *
Titular church In the Catholic Church, a titular church () is a Churches in Rome, church in Rome that is assigned to a member of the Holy orders in the Catholic Church, clergy who is created a Cardinal (Catholic Church), cardinal. These are Catholic churches in ...


References

{{Roman Catholic Ecclesiastical Province of Rome # Catholic titular sees in Europe