Roman Catholic Diocese of Mainz

The Roman Catholic Diocese of Mainz extends across 7,692 square kilometers in the states of Rhineland-Palatinate and Hesse, with its central cathedral dedicated to Saints Martin and Stephen.

Founded in 304, the diocese achieved metropolitan archdiocese status in 780 and later transformed into a regular diocese in 1801 under the Archdiocese of Freiburg im Breisgau.

The diocese manages the Catholic University of Applied Sciences in Mainz and several educational institutions, including the Episcopal Willigis-Gymnasium and Liebfrauenschule.

The diocese consists of 20 deaneries with 319 parishes served by 504 priests, maintaining regular services and pastoral care for approximately 728,200 residents.

The Mainz Cathedral houses a reliquary shrine containing historical artifacts of regional saints, representing centuries of religious devotion and cultural heritage.

Inception: November 29, 1801

Part of: Roman Catholic Ecclesiastical Province of Freiburg

Shares border with: Roman Catholic Diocese of Trier, Roman Catholic Diocese of Limburg, Roman Catholic Diocese of Fulda, Roman Catholic Diocese of Würzburg, Roman Catholic Archdiocese of Freiburg, Roman Catholic Diocese of Speyer

Website: http://bistum-mainz.de

GPS coordinates: 49.99889,8.27417

Latest update: May 26, 2025 21:50