Vianden Castle is a historic fortress located in the town of Vianden, Luxembourg. Built between the 11th and 14th centuries, it showcases a blend of Romanesque and Gothic architectural styles. The castle sits on a hill overlooking the Our River, providing stunning views of the surrounding landscape. The castle has undergone extensive restoration since the 1970s, making it a popular tourist attraction. Visitors can explore its well-preserved rooms, towers, and walls, which reflect the rich history of the region. Vianden Castle is also known for hosting various cultural events throughout the year.