Hiraoka-jinja Shrine sits at the foot of Mt. Ikoma, which is located in the eastern area of Higashi-Osaka City, Osaka Prefecture, and owned vast fiefdoms that included the majority of the present Higashi-Osaka cityscape and part of Daito City, Shijonawate City, Yao City, Ikoma City of Nara Prefecture, and Heguri-cho, Ikoma County.
枚岡神社は、現在の大阪府東大阪市東部の生駒山麓にあり、東大阪市市域の大部分と大東市、四條畷市、八尾市、奈良県生駒市、生駒郡平群町の一部に及ぶ大きな領地を保有していた。