Kwidzyn Castle is a historic brick fortress located in the town of Kwidzyn, Poland. Built in the 14th century by the Teutonic Knights, it served as a residence and administrative center. The castle features a unique blend of Gothic and Romanesque architectural styles, characterized by its impressive towers and thick walls. Today, Kwidzyn Castle is a popular tourist attraction, offering visitors a glimpse into medieval life. The castle houses a museum that showcases artifacts and exhibits related to the region's history, including the Teutonic Order and the surrounding area.