Deoksugung, also known as Gyeongun-gung, Deoksugung Palace, or Deoksu Palace, is a walled compound of palaces in Seoul that was inhabited by members of Korea's Royal Family during the Joseon monarchy until the annexation of Korea by Japan in 1910. It is one of the "Five Grand Palaces" built by the kings of the Joseon Dynasty and designated as a Historic Site. The buildings are of varying styles, including some of natural cryptomeria wood), painted wood, and stucco. Some buildings were built of stone to replicate western palatial structures.