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Suffragan diocese Hildesheim, Germany

Diocese of Hildesheim

Hildesien(sis)

The Diocese of Hildesheim is a Latin Church diocese in Lower Saxony, Germany, founded in 815 and a suffragan of the Archdiocese of Hamburg. The see is sede vacante as of June 2026 following Bishop Heiner Wilmer's transfer to Munster, with his farewell celebrated on June 6, 2026.

On the map

Esri
The address the register holds for Hildesheim Cathedral, in Hildesheim, Germany.

Every see on one map: browse the dioceses. Churches with recorded hours: find Mass times.

Established
815
Catholics
616,210
Priests
282
Territory
30,000 km²

Parishes and churches

416 listed churches in our records. Open a parish for Mass times, confession, directions and sources where recorded.

This is our recorded coverage, not an official diocesan parish count. Confirm service times with the parish before travelling.

The bishop

Bishop
Heiner Wilmer
Born
9 April 1961
Birthplace
Schapen
Institute
SACERDOTI DEL SACRO CUORE DI GESÙ (DEHONIANI) (S.C.I.)

Explore the ministry of the bishop.

The cathedral

Hildesheim Cathedral stands in Hildesheim, the church that holds the cathedra from which this see takes its name.

On what a cathedral is, see the cathedral; every see church on earth is gathered at the cathedrals.

History

King Louis the Pious founded Hildesheim (Latin: Dioecesis Hildesiensis) in 815 as a missionary diocese; his son Louis the German gave the see to Ebbo, the famous former archbishop of Rheims. Today this Latin Church diocese of the Catholic Church in Germany covers the parts of Lower Saxony east of the River Weser, northern neighborhoods of Bremen, and the city of Bremerhaven.