At the end of the twelfth century, however, three of the bukeryo including Kanto goryo (shogun's personal holdings) of the Kamakura shogun (general of the eastern pacification command in Kamakura), corresponding to shoen and shoryo, the existing kugeryo and jisharyo, and kokugaryo (provincial land) koryo (public land) needed to be distinguished from one another, and accordingly, they were called 'honjoryo.'
ところが、12世紀末に鎌倉将軍の荘園・所領に相当する関東御領をはじめとする武家領と既存の公家領・寺社領、更に公領である国衙領の3者間の区別を必要とし、これを「本所領」と呼んだ。