Gongwangfu, located on the north bank of Shichahai, is divided into three parallel roads: east, middle and west. The three buildings in the middle road are the main part of the mansion, one is the main hall, the other is the back hall, and the third is the extension building, which is160m long from east to west and has more than 40 houses. East Road and West Road each have three courtyards, which echo the buildings in the middle road. The last part of the palace is the garden, with more than 20 different scenic spots.