Gloucester House is located at 137 Piccadilly, London, at the end of Old Park Lane. It was built in the eighteenth century and was occupied by Prince William Frederick, Duke of Cloucester and Edinburgh, from 1816 to 1843 and later occupied by Prince George, Duke of Cambridge, a cousin of Queen Victori who served as military head of the British Army from 1856 to 1895. It was demolished in 1904 and is the site of the first Hard Rock Cafe, which opened in 1971.