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This is an index of Catholic Church articles. Portals and navigation boxes are at the bottom of the page. For a listing of Catholic Church articles by category, see Category:Catholic Church (and its various subcategories and pages) at the bottom of the page.
Principal articles are:
For various other lists, see "L" (below).
The Holy See, also called the See of Rome, Petrine See or Apostolic See, is the jurisdiction of the Pope in his role as the bishop of Rome. It includes the apostolic episcopal see of the Diocese of Rome, which has ecclesiastical jurisdiction over the Catholic Church and sovereignity over the city-state known as the Vatican City.
The Roman Curia comprises the administrative institutions of the Holy See and the central body through which the affairs of the Roman Catholic Church are conducted. The Roman Curia is the institution which the Roman Pontiff ordinarily makes use of in the exercise of his supreme pastoral office and universal mission in the world. It is at the service of the Pope, successor of Peter, and of the Bishops, successors of the Apostles, according to the modalities that are proper to the nature of each one, fulfilling their function with an evangelical spirit, working for the good and at the service of communion, unity and edification of the Universal Church and attending to the demands of the world in which the Church is called to fulfill its mission.
Vatican City, officially Vatican City State, is an independent city-state, microstate and enclave within Rome, Italy. It became independent from Italy in 1929 with the Lateran Treaty, and it is a distinct territory under "full ownership, exclusive dominion, and sovereign authority and jurisdiction" of the Holy See, itself a sovereign entity of international law, which maintains the city state's temporal, diplomatic, and spiritual independence. With an area of 49 hectares and a 2019 population of about 453, it is the smallest state in the world both by area and population. As governed by the Holy See, Vatican City State is an ecclesiastical or sacerdotal-monarchical state ruled by the Pope who is the bishop of Rome and head of the Catholic Church. The highest state functionaries are all Catholic clergy of various origins. After the Avignon Papacy (1309–1377) the popes have mainly resided at the Apostolic Palace within what is now Vatican City, although at times residing instead in the Quirinal Palace in Rome or elsewhere. The Vatican is also a metonym for the Holy See.
The politics of Vatican City take place in a framework of a theocratic absolute elective monarchy, in which the Pope, religiously speaking, the leader of the Catholic Church and Bishop of Rome, exercises ex officio supreme legislative, executive, and judicial power over the Vatican City, a rare case of non-hereditary monarchy.
The Lateran Treaty was one component of the Lateran Pacts of 1929, agreements between the Kingdom of Italy under King Victor Emmanuel III of Italy and the Holy See under Pope Pius XI to settle the long-standing Roman Question. The treaty and associated pacts were named after the Lateran Palace where they were signed on 11 February 1929, and the Italian parliament ratified them on 7 June 1929. The treaty recognized Vatican City as an independent state under the sovereignty of the Holy See. The Italian government also agreed to give the Roman Catholic Church financial compensation for the loss of the Papal States. In 1948, the Lateran Treaty was recognized in the Constitution of Italy as regulating the relations between the state and the Catholic Church. The treaty was significantly revised in 1984, ending the status of Catholicism as the sole state religion.
The Eastern Catholic Churches or Oriental Catholic Churches, also called the Eastern-Rite Catholic Churches, Eastern Rite Catholicism, or simply the Eastern Churches, are 23 Eastern Christian autonomous particular churches of the Catholic Church, in full communion with the Pope in Rome. Although they are distinct theologically, liturgically, and historically from the Latin Church, they are all in full communion with it and with each other. Eastern Catholics are a distinct minority within the Catholic Church; of the 1.3 billion Catholics in communion with the Pope, approximately 18 million are members of the eastern churches.
The Apostolic Palace is the official residence of the pope, the head of the Catholic Church, located in Vatican City. It is also known as the Papal Palace, the Palace of the Vatican and the Vatican Palace. The Vatican itself refers to the building as the Palace of Sixtus V, in honor of Pope Sixtus V, who built most of the present form of the palace.
The Catholic Church, also known as the Roman Catholic Church, is the largest Christian church, with 1.3 billion baptized Catholics worldwide as of 2019. It is among the world's oldest and largest international institutions, and has played a prominent role in the history and development of Western civilization. The church consists of 24 sui iuris churches, including the Latin Church and 23 Eastern Catholic Churches, which comprise almost 3,500 dioceses and eparchies located around the world. The pope, who is the bishop of Rome, is the chief pastor of the church. The bishopric of Rome, known as the Holy See, is the central governing authority of the church. The administrative body of the Holy See, the Roman Curia, has its principal offices in Vatican City, a small enclave of the Italian city of Rome, of which the pope is head of state.
L'Osservatore Romano is the daily newspaper of Vatican City State which reports on the activities of the Holy See and events taking place in the Catholic Church and the world. It is owned by the Holy See but is not an official publication, a role reserved for the Acta Apostolicae Sedis, which acts as a government gazette. The views expressed in the Osservatore are those of individual authors unless they appear under the specific titles "Nostre Informazioni" or "Santa Sede".
The Keys of Heaven, also called Saint Peter's keys, refers to the metaphorical keys of the office of Saint Peter, the keys of Heaven, or the keys of the kingdom of Heaven. It is explicitly referenced in the Bible in Matthew 16:19.
The following outline is provided as an overview of and introduction to Vatican City:
This is an index of Vatican City–related topics.
The Commission for Religious Relations with the Jews is a pontifical commission in the Roman Curia tasked with maintaining positive theological ties with Jews and Judaism. Established on 22 October 1974, it works alongside the Pontifical Council for Promoting Christian Unity.
Vatican Media, formerly Centro Televisivo Vaticano, is the Holy See's national broadcaster based in Vatican City which first aired in 1983.
The alphabetical index of philosophy is so large it had to be broken up into several pages. To look up a topic in philosophy, click on the first letter of its name. To find topics by core area, field, major philosophical tradition, or time periods, see the subheadings further below.
The Palace of the Holy Office is a building in Rome which is an extraterritorial property of Vatican City. It houses the Holy Office of the Roman Catholic Church.
A particular church is an ecclesiastical community of faithful headed by a bishop, as defined by Catholic canon law and ecclesiology. A liturgical rite, a collection liturgies descending from shared historic or regional context, depends on the particular church the bishop belongs to. Thus "particular church" refers to an institution, and "liturgical rite" to its ritual practices.
The Redemptoris Mater Chapel formerly known as Matilde Chapel, is a Roman Catholic chapel located on the second floor of the Apostolic Palace in Vatican City. Located just outside the doors of the papal apartments, the chapel is notable for its various mosaics similar to early Byzantine religious artwork, and is reserved for the exclusive use of the Pope.
The Mater Ecclesiae Monastery is a monastery in Vatican City. It was founded around 1990 by Pope John Paul II as a monastery for cloistered nuns. Benedict XVI lived there from his resignation in 2013 till his death in 2022.
Women account for approximately 5.5% of the citizenry of Vatican City. According to the Herald Sun in March 2011, there were only 32 females out of 572 citizens issued with Vatican passports. One of them was a nun. In 2013, Worldcrunch reported that there were around 30 women who were citizens of Vatican City, including two South American women, two Poles, and three from Switzerland. The majority of Vatican women at the time were from Italy.