From the later part of the Heian Period, influential members of the aristocracy and prominent temples and shrines established shoen (manor in medieval Japan) within the precincts of the Ise-jingu Shrine, whereby the actual lands in the precincts of the Jingu became encroached upon.
平安時代末期から、有力貴族や他の有力寺社が神郡内に荘園を設定したため、実質的に伊勢神宮の領地が浸食されていった。