一の宮 or 一之宮; first shrine) is a Japanese historical term referring to the Shinto shrines with the highest rank in a province. Shrines of lower rank were
classified Shinto shrines as either official government shrines or "other" shrines. The official shrines were divided into Imperial shrines (kampeisha), which
Province since the Heian period, however, the title is disputed by the YodohimeShrine, located in the city of Saga. The Chiriku Hachiman-gū burned down in