Three Palace Sanctuaries

The Three Palace Sanctuaries are a group of structures in the precincts of the Tokyo Imperial Palace in Japan. They are used in imperial religious ceremonies, including weddings and enthronements.
The three sanctuaries are:Kashiko-dokoro – the central shrine, enshrining a replica of the mirror Yata no Kagami, representing the mythological ancestress of the Imperial Family, Amaterasu. The Yasakani no magatama or Sacred Jewel, one of the Imperial Regalia of Japan, is also said to be housed in the Kashiko-dokoro.Kōrei-den – the Ancestral Spirits Sanctuary, enshrining the departed spirits of the Imperial Family from one year after their death.Shin-den – the Sanctuary of the Kami, enshrining the Amatsukami from Takamagahara and the Kunitsukami from Japanese mythology.