The Havelberger Dom Sankt Marien is a Protestant church in the Hanseatic city of Havelberg in Saxony-Anhalt.
He was the main church of the diocese Havelberg. The diocese Havelberg itself was founded by King Otto I dating from 946 or 948th
During the German east expansion it was established for proselytizing the local Western Slavs.
Havelberg was next to Brandenburg the earliest diocese east of the Elbe.
After the Reformation the cathedral chapter joined in 1561 to Protestantism after already 1506/1507 the praemonstratensis monastic rule had been abolished.
The diocese Havelberg itself broke up after 50 years of vacancy 1598th.
The cathedral and the Church of St. Lawrence since 1996 to a common church.
In 1996 the property of Cathedral foundation of Saxony-Anhalt. The Havelberger Dom is a station along the Romantic Road.
The adjacent monastery buildings house the Catholic Chapel of St. Norbert, used the Paradise Hall the Protestant community as a winter church,
and the Prignitz Museum with exhibits on the cathedral, urban and settlement history.