Etymology and distribution of 折坂.

Orisaka 【折坂】^{レベル4
About 700}  The Japanese surnames etymology dictionary.

Fukushima-ken Iwaki-shi , Shimane-ken .

① Fukushima-ken Iwaki-shi Heikomi Biennial · Birthplace originated downward. The name of the place with a record in the notation of "Katyō" in the Heian era. Shimane-ken Kanoashi-gun Tsuwano-chou Shimoda was in the Edo period in the Tsuwano clan of the clan office.

※ Fukushima-ken Iwaki-shi Onahama Kamihara white place name before the record era unknown place name. It is distributed in the same place.

② Iwate - ken Shiwa - gun Shiwa - chou birthplace of origin. A place name with a record since the Warring States Period.