Sakao 【坂尾】5 The Japanese surnames etymology dictionary.
Oosaka-fu , Ishikawa-ken , Fukui-ken . Terrain . From island like land and bridge. Fukui-ken Nanjou-gun Minamiechizen-chou Hashidate is a place name with a record since the Edo period. It is distributed in the same place. Hokkaidou Iwamizawa-shi tells that he moved to Miyagi-ken and Kyushu district with Fukui-ken 's departure.