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Diocese of Aachen Dioecesis Aquisgranensis Bistum Aachen | |
|---|---|
 Coat of arms | |
| Location | |
| Country |  Germany |
| Metropolitan | Archdiocese of Cologne |
| Statistics | |
| Area | 3,937 km2 (1,520 sq mi) |
| Population - Total - Catholics | (as of 2012) 2,028,699 1,110,948 (54.8%) |
| Parishes | 538 |
| Information | |
| Denomination | Roman Catholic |
| Rite | Roman Rite |
| Established | 1802 (re-established 13 August 1930) |
| Cathedral | Aachen Cathedral |
| Patron saint | Mary, Mother of Jesus |
| Secular priests | 535 |
| Current leadership | |
| Pope | Francis |
| Bishop | Helmut Dieser |
| Metropolitan Archbishop | Rainer Maria Woelki |
| Auxiliary Bishops | Karl Borsch |
| Vicar General | Andreas Frick |
| Bishops emeritus | |
| Map | |
 Location of the Diocese of Aachen | |
The Diocese of Aachen (Latin: Dioecesis Aquisgranensis) 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 2016. The bishop's seat is Aachen.