Based on the description of "Harimanokuni Fudoki," Hiokayama Tumulus (a round barrow with diameter of 60m) in Ono, Kakogawa-cho, Kakogawa City, Hyogo Prefecture was identified as Harima no Inabi no Oiratsume's Hioka no misasagi (Hioka Mausoleum) and is now under the management of the Imperial Household Agency.
『播磨国風土記』の記述に基づいて、兵庫県加古川市加古川町大野にある日岡山古墳（円墳・径60m）が播磨稲日大郎姫命の日岡陵（ひおかのみささぎ）に比定され、現在宮内庁の管理下にある。