List of Catholic dioceses (structured view)
As of October 5, 2021, the Catholic Church in its entirety comprises 3,171 ecclesiastical jurisdictions, including over 652 archdioceses and 2,248 dioceses, as well as apostolic vicariates, apostolic exarchates, apostolic administrations, apostolic prefectures, military ordinariates, personal ordinariates, personal prelatures, territorial prelatures, territorial abbacies and missions "sui juris" around the world. In addition to these jurisdictions, there are 2,100 titular sees (bishoprics, archbishoprics and metropolitanates). This is a structural list to show the relationships of each diocese to one another, grouped by ecclesiastical province, within each episcopal conference, within each continent or other geographical area . The list needs regular updating and is incomplete, but as articles are written, more will be added, and various aspects need to be regularly updated. Types of Catholic Dioceses. This refers to Catholic dioceses in the world, of all (Latin or Eastern) Churches, . "Additional types, exclusively for the Eastern Churches, Ordinariate Use and Extraordinary Form" Exempt Catholic Dioceses (directly subject to the Holy See). These (arch)dioceses are exempt from belonging to any ecclesiastical province, hence only the Vatican can exert the authority and coordinating functions normally falling to the Metropolitan Archbishop. They are grouped here geographically. Nevertheless, most belong to  an episcopal conference, in which case the more relevant mention is in its geographical region, as exempt dioceses as such do not have specific ties with each other. Europe (Latin and Eastern Churches). There are also 'meetings of episcopal conferences' for the (arch)bishops from countries belonging to: Episcopal Conference of France. For overseas French dioceses, see under their continents and Episcopal conferences of Antilles (Central America) and Pacific (Oceania) Episcopal Conference of Scandinavia. Scandinavian Bishops Conference Episcopal Conference of Switzerland. Swiss Bishops Conference Note: "The United States Conference of Catholic Bishops (USCCB) divides the non-exempt dioceses of the United  States (including Alaska, Hawaii, and the U.S. Virgin Islands) into fourteen geographical regions—termed "Bishops' Regions" for the Latin Church provinces—and a fifteenth "region" that consists of the Eastern Catholic eparchies. These regions are not the canonical "ecclesiastical regions" described in canon 433 and 434, but are operated by an elected regional chairman." However, the Ordinaries of Personal Ordinariates established under the auspices of Anglicanorum Coetibus are members of their respective Bishops’ Conferences, and the USCCB lists the exempt Personal Ordinariate of the Chair of St. Peter as a part of Bishops’ Region X. "This is not a geographical  region and it does not consist of ecclesiastical provinces. Instead, it consists exclusively of US branches of various, generally Europe- or Asia-based, particular Eastern Catholic Churches. See the Eastern Catholic Churches section (below) for their particular hierarchies." "Ecclesiastical province of the Ruthenian Catholic Metropolitan Church of Pittsburgh" "Ecclesiastical Province of Philadelphia" South America (Latin and Eastern Churches). Episcopal Conference of Argentina. Ecclesiastical province of Paraná Asia (Latin and Eastern Churches). Episcopal conference of the Arab region Latin bishops "(includes parts of North and Eastern Africa)". Section::::"Assembly of Catholic Ordinaries of Egypt". "see Africa" Episcopal Conference of Iran. No ecclesiastical  province, the Latin Church has only the exempt Roman Catholic Archdiocese of Teheran-Isfahan, directly subject to the Holy See "The conference also includes Eastern Catholic bishops of two churches:" Episcopal Conference of Turkey. "covering transcontinental Turkey, which is not comprised in any Latin ecclesiastical province" Episcopal Conference of Bangladesh. Catholic Bishops' Conference of Bangladesh Episcopal Conference of India, including Bhutan. "includes (italicized) various Eastern Church dioceses, notably Syro-Malankara (an Antiochian Rite) and Syro-Malabar (a Syro-Oriental Rite), either in Eastern provinces of their own particular churches, exempt or (some Syro-Malabar) as suffragans of Roman Catholic Metropolitan  Archbishops in their mixed-rite ecclesiastical provinces" Episcopal Conference of Pakistan. Pakistan Catholic Bishops’ Conference (P.C.B.C.) Episcopal Conference of Vietnam. Episcopal Conference of Vietnam (Hội Đông Giám Mục Việt Nam), at Hồ Chí Minh City Oceania (Latin and Eastern Churches). Episcopal Conference of the Pacific. "Note: The United States Minor Outlying Islands (U.S. Minor Islands)—such as Wake, Midway, and Johnston, which are territories of USA—are administered by the US Military Ordinariate (the Archdiocese for the Military Services of the United States), in Washington, D.C." "Note: The Diocese of Honolulu, on and for Hawaii, is a suffragan diocese in the  ecclesiastical province of San Francisco (California, USA)" This province covers all of French Polynesia (French overseas collectivity) and the Pitcairn Islands (UK). Africa (Latin and Eastern Churches). Symposium of Episcopal Conferences of Africa and Madagascar (S.E.C.A.M.) "Most national churches are also part of an episcopal conference and a regional (subcontinental) group of those, so we list them geographically:" Section::::"Assembly of Catholic Ordinaries of Egypt". Regional Episcopal Conference of West Africa (R.E.C.O.W.A.) "The West African subcontinent was previously covered by two language-distinct super-conferences:" Episcopal Conference of Ethiopia and Eritrea. Neither country has or is part of any Latin Church  province. Section::::"Eastern Alexandrian rite particular churches (Metropolitanates sui juris)". "However, each country has an Alexandrian rite (like the Egyptian Copts, but in Geez language) Metropolitan particular church 'sui iuris', whose episcopates fully parttake in the joint Episcopal Conference, yet also has its own council of bishops" Episcopal Conference of Zambia. "This subcontinent is still covered by two distinct super-conferences:" Episcopal Conference of South Africa, Botswana and Swaziland. covers the dioceses in the republic of South Africa, and two neighbouring countries whose only dioceses belong to its provinces Botswana and Swaziland Eastern Catholic Churches by Rite. The 23 Eastern Catholic  Churches retain many Orthodox traditions, even in the hierarchic terminology, such as calling dioceses Eparchies and archdioceses Archeparchies. Their respective diocesan structures overlap with and are partially parallel to each other, to the Latin Catholic church and to Orthodox churches, often 'sharing' a see. In addition, exempt, 'mixed' ordinariates for the Eastern churches without dioceses of their own are established in a few (European and Latin American) countries, directly subject to the Holy See. We present them grouped per ancient rite, or liturgical tradition. Following the name of each Church is given the nature of their ecclesiastical polity; for instance , whether it is headed by a Patriarch, a Major Archbishop, a Metropolitan Archbishop, or has no unified structure and is instead composed of jurisdictions each individually subject to the Holy See. Byzantine Rite churches. Section::::(Greek-)Melkite Catholic Church (Patriarchal). In the Arab World and Africa, the church has dioceses in: Throughout the rest of the world, the Melkite Catholic church has dioceses and exarchates for its diaspora in: Furthermore, one of the Ordinaries is appointed Apostolic visitor for the countries without proper ordinariates in Western Europe, while in some countries the Melkite diaspora is served pastorally by an Ordinariate for Eastern  Catholic faithful. Hungarian Greek Catholic Church (Metropolitan). A single ecclesiastical province "sui juris" Slovak Greek Catholic Church (Metropolitan). Synod: Council of the Slovak Church Italo-Albanian Catholic Church (no unified structure). "entirely exempt, i.e. each directly subject to the Holy See:" Greek Byzantine Catholic Church (no unified structure). entirely exempt, i.e. each directly subject to the Holy See: Russian Greek Catholic Church (no current formalised structure). "entirely exempt, i.e. directly subject to the Holy See:" Alexandrian Rite churches. Ethiopian Catholic Church (Metropolitan). A single ecclesiastical province "sui juris", covering Ethiopia (Synod styled Council of the Ethiopian Church) Eritrean Catholic Church  (Metropolitan). A single ecclesiastical province "sui juris", covering all and only Eritrea, which has no Latin Church diocese West Syriac/Syro-Antiochene Rite churches. Syriac Catholic Church (Patriarchal). Synod of the Syriac Catholic Church