故宮建成於明永樂十八年（1420年），占地72萬平方米，建築面積16萬平方米，有宮殿建築9000多間，是中國乃至世界現存最大最完整的古代宮殿建築群。
Imperial Palace, Italy for past imperial palace, was Forbidden City which the past people often said that located at Beijing town center. the Imperial Palace completed the bright Yunglo 18 years in (in 1420), occupied a land area of 720,000 square meters, the floor space 160,000 square meters, had the palace to construct more than 9000, was Chinese and even the world extant most greatly most complete ancient times palace architectural complex.