The historical materials, in which the names of Ichinomiya (high-ranking shrines of provinces), gods and locations are written, are generally called 'Ichinomiya-Ki'; that kind of material is not rare, and "Dainihonkoku Ichinomiya-Ki" is one of those.
諸国一宮の社名、祭神、鎮座地を記した史料は「一宮記」と呼ばれ同種の本が多数存在するが、『大日本国一宮記』はその内の一つである。