Omiya Gosho was a residence built for Empress Teimei who became an empress dowager when Emperor Taisho had passed away on the premise of Akasaka Rikyu (The State Guest House) (present-day Akasaka Imperial property).
大宮御所（おおみやごしょ）とは、大正天皇崩御によって皇太后となった貞明皇后のために赤坂離宮の敷地内（現在の赤坂御用地）に建設された御殿のこと。