Chełmno Castle is a historic fortress located in the town of Chełmno, Poland. Built in the 13th century by the Teutonic Knights, it served as a defensive structure and administrative center. The castle features Gothic architecture and is known for its well-preserved walls and towers. Today, Chełmno Castle is a popular tourist attraction, offering visitors a glimpse into medieval history. The site includes a museum that showcases artifacts from the region and provides insights into the castle's role during the Teutonic Order's rule in Prussia.