After Soson (a community consisting of peasants' self-governing association) was established, the regional characteristics of the group were enhanced; Miyaza was extensively present in the 15th century, and sometimes, the system of Miyaza was directly reflected in the operation of Soson.
その後、惣村の形成により地縁的な性格が強化されていき、15世紀には広範な地域で見られるようになり、宮座の秩序がそのまま惣村の運営にも反映される場合もあった。