Vaduz Castle is the official residence of the Prince of Liechtenstein and is located in the capital city of Vaduz. The castle sits on a hilltop, offering stunning views of the surrounding landscape. Its origins date back to the 12th century, and it has undergone several renovations over the years. The castle is not open to the public, but visitors can admire its exterior and the beautiful gardens nearby. It is a symbol of the Liechtenstein monarchy and plays a significant role in the country's history and culture.