The other part of Oaza Sanin was integrated into Kyoto City in 1931 and became a part of the Ukyo Ward which consisted of thirty-eight towns which were prefixed by the name 'Sanin' and the Yamanouchi Naemachi town.
大字西院の残余は昭和6年京都市に編入されて右京区の一部となり、「西院」を冠称する38町、及び山ノ内苗町となった。