The government was placed in Kamakura, and as a result strong local families were removed and the southern Kanto region was reorganized by the government as an adjacent area (called "Kanto-gobunkoku").
反面、鎌倉に政権が置かれると、地元の有力勢力は排除され、南関東は政権のお膝元（関東御分国）として再編されていった。