Palace of Fontainebleau (/ˈfɒntɪnbloʊ/ FON-tin-bloh, US also /-bluː/ -bloo; French: Château de Fontainebleau [ʃɑto d(ə) fɔ̃tɛnblo]), located 55 kilometers (34 miles) southeast of the center of Paris, in the commune of Fontainebleau, is one of the largest French royal châteaux. It served as a hunting lodge and autumn residence for many of the French monarchs, including Louis VII, Francis I, Henry II, Louis-Philippe, Napoleon I, and Napoleon III. Though the monarchs only resided there for a few months of the year, they gradually transformed it into a genuine palace, filled with art and decoration. It became a national museum in 1927 and was designated a UNESCO World Heritage Site in 1981 for its unique architecture and historical importance.