Tatakegamine-naito Shrine
Shinjuku, Tokyo
In the Heian period (794-1185), the dedication of remote shrines was avoided, and "Nijusha" was established as a new ranking of shrines, mainly those close to Kyoto.51 "Ichinomiya" was established from the late Heian to Kamakura periods, and is the most prestigious shrine in each country (Ritsuryo/Kokugyo).