In this place, there is an Izumo-taisha Shrine which is described in "Engishiki Jimmyocho " (a Register of Shrines in Japan) as 'Iwa-ni-imasu Ona-mochi Mitama-jinja Shrine' (Myojindai), whereas according to "Harima Fudoki" (Records of the Culture and Geography of the Harima Province), Iwa-no-kimi who had lived in this place later moved to Shikama County where he also built Iwa-go.
この地には『延喜神名帳』に「伊和坐大名持御魂神社」（名神大）と記される出雲大社があり、『播磨風土記』には、この地に住む伊和君が後に飾磨郡に移り住んで同郡にも伊和郷を作ったとしている。