During the Heian period, the Higashi Sanjo-dono Residence was built in an area of 1-cho and 2-cho (placed in the north-south direction) of 3-jo and 3-bo in Sakyo (the left-side area of the capital) (present Nijo-oji Minami Nishino Toin-oji Higashi).
東三条殿（ひがしさんじょうどの）は、平安時代に平安京左京3条3坊1町及び2町（二条大路南西洞院大路東）の南北2町に跨って建てられた邸宅。