Vianden Castle is a stunning medieval castle located in the town of Vianden, in the north of Luxembourg. The castle is perched high on a hilltop and overlooks the town and the Our River. The castle dates back to the 11th century and has a rich history, having been home to various noble families over the centuries, including the counts of Vianden, who were one of the most important noble families in the region.

The castle was extensively restored in the 19th century and today, it is one of the most popular tourist attractions in Luxembourg. Visitors can explore the castle's many rooms and galleries, which contain a wealth of historical artifacts, including armor, weapons, and tapestries. There is also a chapel and a great hall, which is now used for events and concerts.

The castle is surrounded by a fortified wall and visitors can explore the various towers and ramparts, which offer stunning views of the surrounding countryside. In addition to the castle itself, there is also a museum located in the castle's former stable block, which houses exhibits on the history of the castle and the town of Vianden.