Płock Cathedral
Płock, Poland · built 1101
Płock Cathedral (Katedra Płocka), or the Cathedral of the Blessed Virgin Mary of Masovia, is a Roman Catholic cathedral in the city of Płock, in central Poland. It is an example of 12th-century Romanesque architecture and is the oldest and most important historical monument in the city, which contains the tombs of several Polish monarchs. It is listed as a Historic Monument of Poland.
Cathedral data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).