By 1931, Yamashina town, Uji County which was in the east of Higashiyama Ward was integrated, but that very area was split off in 1976 and became Yamashina Ward.
昭和6年には東隣の宇治郡山科町を編入するが、当該地区は昭和51年（1976年）分区して山科区となった。