Copenhagen is a royal city, and home to one of the world's oldest monarchies. In and around the city you will find castles, palaces, royal statues and monuments. Every day you can witness the changing of the Royal Danish Guard at 12:00 noon. The Guard leaves its barracks at Rosenborg Castle at approximately 11:30 and marches through the city to Amalienborg Palace, residence of the Danish monarch Queen Margrethe 2. Here are nine royal highlights.