In the Iyo Province, reportedly the Kono clan which was shugo, took the Chuyo region (central Iyo) as its base, and the Utsunomiya clan over Ozu and the Saionji clan in the Nanyo region (southern IYO).
伊予国は守護の河野氏が中予、宇都宮氏が大洲一帯、西園寺氏が南予を割拠したといわれる。