Ostróda Castle, located in the town of Ostróda in Poland, is a historic structure built in the 14th century. Originally constructed by the Teutonic Knights, the castle served as a defensive fortress and later as a residence. Its architecture reflects the Gothic style, characterized by tall towers and thick walls. Today, Ostróda Castle is a popular tourist attraction, offering visitors a glimpse into the region's medieval history. The castle hosts various cultural events and exhibitions, making it a vibrant part of the local community. Its picturesque setting by the Ostróda Lake adds to its charm.