They resided in Momi Castle (located in the present-day Sasayama City area), which was located in a key spot near the Sasayama basin along the Sanin-do Road, a road which ran from Kyoto through Tanba to the Sanin region in ancient and medieval times.
居城の籾井城（現在の篠山市域）は古代・中世に京都から丹波を経て山陰地方に向かう山陰道が篠山盆地に差し掛かる箇所にあたる要衝であった。