The bases of the Mononobe clan was Iruma Gun, Musashi Province (Iruma City, Kawagoe City, Sayama City, Tokorozawa City, Fujimi City, Fujimino City, Saitama Prefecture.)
物部氏は武蔵国入間郡（埼玉県入間市・川越市・狭山市・所沢市・富士見市・ふじみ野市など）。