This list refers to the

Roman Catholic The Catholic Church (), also known as the Roman Catholic Church, is the largest Christian church, with 1.27 to 1.41 billion baptized Catholics worldwide as of 2025. It is among the world's oldest and largest international institut ...

diocese In Ecclesiastical polity, 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 Roman province, prov ...

s and

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 ...

s in

Germany Germany, officially the Federal Republic of Germany, is a country in Central Europe. It lies between the Baltic Sea and the North Sea to the north and the Alps to the south. Its sixteen States of Germany, constituent states have a total popu ...

and the organisational changes between 1821 and 1994. The territorial changes through and after the

Napoleonic Wars {{Infobox military conflict , conflict = Napoleonic Wars , partof = the French Revolutionary and Napoleonic Wars , image = Napoleonic Wars (revision).jpg , caption = Left to right, top to bottom:Battl ...

determined much of today's diocesan boundaries. The territorial changes after the World Wars were followed by new diocesan boundaries in the 1920s and 1970s. Internal reorganisations took place in the 1930s, 1950s and early 1990s.

Fulda Conference of Bishops

This conference, preceding today's Conference of German Bishops, was established as Würzburg Conference of Bishops (only 1848) and as a regular institution named

Fulda Conference The German Bishops' Conference () is the episcopal conference of the bishops of the Roman Catholic dioceses in Germany. Members include diocesan bishops, coadjutors, auxiliary bishops, and diocesan administrators. History The first meeting of th ...

since 1867. Renamed into

German Bishops' Conference The German Bishops' Conference () is the episcopal conference of the bishops of the Roman Catholic dioceses in Germany. Members include diocesan bishops, coadjutors, auxiliary bishops, and diocesan administrators. History The first meeting of th ...

in 1965.

Ecclesiastical Province of Bamberg

This ecclesiastical province was founded in 1818. *

Archdiocese of Bamberg The Metropolitan Archdiocese of Bamberg (Latin: ''Archidioecesis Metropolitae Bambergensis'') is a Latin Church diocese of the Catholic Church in Bavaria, one of 27 in Germany. In 2015, 32.9% of the population identified as Catholic, and 15.6% o ...

Diocese of Eichstätt 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 ...

Diocese of Speyer The Diocese of Speyer () is a Latin diocese of the Catholic Church in Germany. The diocese is located in the South of the Rhineland-Palatinate and comprises also the Saarpfalz district in the east of the Saarland. The bishop's see is in the ...

Diocese of Würzburg 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 ...

Eastern German Ecclesiastical Province

This ecclesiastical province emerged in 1930 and was dissolved in 1972. Diocesan areas east of the Oder-Neiße line were under apostolic administration by Polish clergy since 1945. * Archdiocese of Breslau (Wrocław), since 1930, partially under Polish apostolic administration 1945–1972, then East German part dissected and the rest part of Polish episcopate **

Diocese of Berlin The Archdiocese of Berlin () is a Latin Church ecclesiastical territory or archdiocese of the Catholic Church in Germany. The archepiscopal see is in Berlin, with the archdiocese's territory extending over Northeast Germany. As of 2004, the ar ...

, est. 1930, partially under Polish apostolic administration 1945–1972, then Polish diocesan area dissected ** Diocese of Ermland (Warmia), since 1930, under Polish apostolic administration 1945–1972, then part of Polish episcopate ** Prelature of Schneidemühl (Piła), est. 1930, under Polish apostolic administration since 1945, dissolved in 1972

Ecclesiastical Province of Gnesen-Posen

This historically Polish ecclesiastical province was made part of the Fulda Conference in 1821 and disentangled in 1918–1919 to join the

Episcopal Conference of Poland The Polish Episcopal Conference or Polish Bishops' Conference ( or KEP) is the central organ of the Catholic Church in Poland. It is composed of 3 cardinals, 24 archbishops and 118 bishops. 21st century In 2018, KEP completed a survey on cleric ...

. * Archdiocese of Gnesen (Gniezno), ** in personal union with the Diocese of Posen (Poznań) ** Diocese of Culm (Chełmno), to Poland in 1920, *Apostolic Administration of Tütz (Tuczno) - the parts of the abovementioned dioceses which remained with Germany 1920–1923, then disentangled to form together the Territorial Prelature of Schneidemühl (Piła), subordinate to Archdiocese of Breslau (Wrocław) *Apostolic Administration of the Free City of Danzig; later, the exempt Diocese of Danzig (Gdańsk)

Middle German Ecclesiastical Province

Archdiocese of Paderborn The Metropolitan Archdiocese of Paderborn () is a Latin Church archdiocese of the Catholic Church in Germany; its seat is Paderborn.

, since 1930 **

Diocese of Fulda The Diocese of Fulda () is a Latin Church diocese of the Catholic Church in the north of the Germany, German state of Hessen. It is a suffragan diocese of the Roman Catholic Archdiocese of Paderborn, Archdiocese of Paderborn. The bishop's episc ...

, since 1930 **

Diocese of Hildesheim The Diocese of Hildesheim () is a Latin Church diocese of the Catholic Church in Germany. Founded in 815 as a missionary diocese by King Louis the Pious, his son Louis the German appointed the famous former archbishop of Rheims, Ebbo, as bishop. ...

, 1930–1994, then part of the Ecclesiastical Province of Hamburg

Ecclesiastical Province of Munich and Freising

This ecclesiastical province was founded in 1821. *

Archdiocese of Munich and Freising The Archdiocese of Munich and Freising (, ) is a Latin Church ecclesiastical territory or diocese of the Catholic Church in Bavaria, Germany.Diocese of Augsburg Diocese of Augsburg () is a Latin diocese of the Catholic Church in Germany. The diocese is a suffragan of the Archdiocese of Munich. History Early history The present city of Augsburg appears in Strabo as ''Damasia'', a stronghold of t ...

Diocese of Passau The Diocese of Passau (; ) is a Latin diocese of the Catholic Church in Germany that is a suffragan of the Archdiocese of Munich and Freising.Diocese of Regensburg The Diocese of Regensburg (; ) is a Latin Church diocese of the Catholic Church with its episcopal see based in Regensburg, Germany. Its district covers parts of northeastern Bavaria; it is subordinate to the archbishop of Munich and Freising. ...

Rhenish Ecclesiastical Province

This ecclesiastical province was founded in 802; it is also called ecclesiastical province of Cologne. *

Archdiocese of Cologne The Archdiocese of Cologne (; ) is a Latin Church archdiocese of the Catholic Church in western North Rhine-Westphalia and northern Rhineland-Palatinate in Germany. History At an early date Christianity came to Cologne with the Roman soldiers ...

, newly Belgian

Eupen-Malmedy Eupen-Malmedy is a small, predominantly German-speaking region in eastern Belgium. It consists of three administrative cantons around the towns of Eupen, Malmedy, and Sankt Vith which encompass some . Elsewhere in Belgium, the region is common ...

dissected in 1921 **

Diocese of Aachen The Diocese of Aachen () is a Latin diocese of the Catholic Church located in Germany and one of the six dioceses in the ecclesiastical province of Cologne. The incumbent bishop is Helmut Dieser, who was appointed by Pope Francis on 23 September ...

, est. 1930 ** Diocese of Essen, est. 1958 **

Diocese of Münster 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 associate ...

Diocese of Osnabrück 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 ...

, 1930–1994, then part of the Ecclesiastical Province of Hamburg **

Diocese of Paderborn The Prince-Bishopric of Paderborn () was an ecclesiastical principality (Hochstift) of the Holy Roman Empire from 1281 to 1802. History The Diocese of Paderborn was founded in 799 by Pope Leo III. In the early years it was subordinated to t ...

, elevated to metropolia of the Middle German Ecclesiastical Province in 1930 **

Diocese of Trier The Diocese of Trier (), in English historically also known as ''Treves'' () from French ''Trèves'', is a Latin Church ecclesiastical territory or diocese of the Catholic church in Germany.Archdiocese of Freiburg im Breisgau, est. 1821 **

, changed to Middle German Ecclesiastical Province in 1930 **

Diocese of Limburg The Diocese of Limburg () is a Latin Church diocese of the Catholic Church in Germany. It belongs to the ecclesiastical province of Cologne, with metropolitan see being the Archdiocese of Cologne. Its territory encompasses parts of the States ...

, changed to Rhenish Ecclesiastical Province in 1930 **

Diocese of Mainz The Diocese of Mainz, (, ) historically known in English as Mentz as well as by its French name Mayence, is a Latin Church ecclesiastical territory or diocese of the Catholic Church in Germany. It was founded in 304, promoted in 780 to Metropol ...

Diocese of Rottenburg-Stuttgart The Diocese of Rottenburg-Stuttgart is a Latin Church ecclesiastical territory or diocese of the Catholic Church in Germany. It is a suffragan in the ecclesiastical province of the metropolitan Archdiocese of Freiburg in Baden-Württemberg, '' B ...

Exempt dioceses

Apostolic Vicariate of Anhalt Apostolic may refer to: The Apostles An Apostle meaning one sent on a mission: *The Twelve Apostles of Jesus, or something related to them, such as the Church of the Holy Apostles *Apostolic succession, the doctrine connecting the Christian Churc ...

, after territorial cessions to Hildesheim diocese in 1834 merged in the Diocese of Paderborn in 1921 *

, exempt 1972–1994, then elevated to metropolia of the Ecclesiastical Province of Berlin * Diocese of Breslau (Wrocław), exempt 1821–1930, then elevated to metropolia of the Eastern German Ecclesiastical Province ** Prince-Episcopal Delegation for Brandenburg and Pomerania, elevated to Diocese of Berlin in 1930 * Diocese of Ermland (Warmia), exempt 1566–1930, then part of the Eastern German Ecclesiastical Province * Apostolic Administration of Görlitz, dissected from Breslau archdiocese in 1972, elevated to diocese in 1994 within the Ecclesiastical Province of Berlin *

, exempt 1805–1930, then part of the Middle German Ecclesiastical Province * Apostolic Prefecture of Meissen, elevated to Diocese of Meissen in 1921 *

Diocese of Meissen 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 ...

, est. 1921, small diocesan area under Polish apostolic administration 1948–1972, then dissected, renamed Dresden–Meissen in 1980, part of the Ecclesiastical Province of Berlin since 1994 *

Diocese of Metz The Diocese of Metz (; ) is a Latin Church ecclesiastical territory or diocese of the Catholic Church in France. In the Middle Ages it was a prince-bishopric of the Holy Roman Empire, a ''de facto'' independent state ruled by the prince-bishop ...

, from France in 1871, to France in 1918–1919 * Apostolic Vicariate of the Nordic Missions, after territorial cessions renamed into Apostolic Vicariate of the Nordic Missions of Germany, merged in the Diocese of Osnabrück in 1930 *

, part of the Rhenish Ecclesiastical Province since 1930 * Apostolic Vicariate of the Saxon Hereditary Lands, merged in Diocese of Meissen in 1921 * Apostolic Prefecture of Schleswig-Holstein, dissected from Nordic Missions in 1868, newly Danish

North Schleswig North is one of the four compass points or cardinal directions. It is the opposite of south and is perpendicular to east and west. ''North'' is a noun, adjective, or adverb indicating direction or geography. Etymology The word ''north'' is ...

to Denmark apostolic vicariate in 1921; rest merged in Diocese of Osnabrück in 1930 * Diocese of Straßburg (Strasbourg), from France in 1871, to France in 1918–1919 *

Apostolic Administration of Tütz Apostolic may refer to: The Apostles An Apostle meaning one sent on a mission: *The Twelve Apostles of Jesus, or something related to them, such as the Church of the Holy Apostles *Apostolic succession, the doctrine connecting the Christian Churc ...

, dissected from Gnesen–Posen and Culm in 1923, elevated to Schneidemühl prelature within Eastern German province in 1930

References

{{Reflist * * Germany, 1821 Catholic dioceses Catholic dioceses