A provincial monastery and provincial nunnery had officially been built by each province since 741, however some provinces had already built their own temple having a collusive relationship with "Kokufu."
741年（天平13年）以降、国ごとに国分寺と国分尼寺が建てられることになったが、それ以前から国府機能と密着した付属寺院を持つ国もあった。