Diest Castle is a historic fortress located in the town of Diest, Belgium. Originally built in the 13th century, it served as a defensive structure and residence for local nobility. The castle features a mix of architectural styles, reflecting its long history and various renovations over the centuries. Surrounded by a picturesque park, Diest Castle is a popular tourist attraction. Visitors can explore its beautiful grounds and learn about the castle's significance in Belgian history. The site also hosts cultural events and exhibitions, making it a vibrant part of the local community.