In Muromachi period, the Yamashiro Province was divided along the Uji River into three upper districts and five lower districts; after an associate shugo (shugodai) was designated to each district the Shugosho in charge of the three upper districts was situated in Uji Makishima, while Shugosho for the five lower districts were placed in several places such as Yodo.
室町時代に山城国を宇治川を境に上三郡と下五郡に分割して、それぞれに守護代を任ずるようになってからは、上三郡の守護所が宇治槙島に置かれ、下五郡の守護所が淀など数ヶ所に置かれた。