This policy was called Haihan-chiken (abolition of feudal domains and establishment of prefectures), under which the daiku-shoku system (a centralized district system that abolished all pre-existing towns, villages and their offices and institutions) was established in 1871 and enforced the next year.
それが廃藩置県であり、その下に置くものが、1871年（明治4年）制定翌年施行された大区小区制であった。