Płock Cathedral, officially known as the Cathedral of the Assumption of the Blessed Virgin Mary, is a historic church located in Płock, Poland. It is one of the oldest cathedrals in the country, with its origins dating back to the 11th century. The cathedral features a Romanesque architectural style, characterized by its impressive stone façade and intricate interior decorations. The cathedral is home to several important artifacts, including the tomb of Bolesław II Wrymouth, a significant figure in Polish history. It also houses a collection of valuable artworks, such as altarpieces and sculptures, making it a key site for both religious and cultural heritage in Poland.