The Three Palace Sanctuaries (宮中三殿 Kyūchū sanden?) are a group of structures in the precincts of the Imperial Palace in Tokyo, Japan. They are used in imperial religious ceremonies, including weddings and enthronements.
The three sanctuaries are:
Coordinates: 35°40′54″N 139°44′59″E / 35.68167°N 139.74972°E