The imperial mausoleums that the Imperial Household Agency administers are located in thirty-three prefectures from Yamagata Prefecture in the north to Kagoshima Prefecture in the south, and there are one hundred eighty-eight mausoleums in total including one hundred twelve imperial mausoleums for the successive emperors and seventy-six mausoleums for the empresses.
宮内庁管理の陵墓は、北は山形県から南は鹿児島県まで1都2府30県にわたって所在しており、歴代天皇陵が112、皇后陵など76で計188。