Etymology and distribution of 治岡.

Haruoka 【治岡】^{レベル2
About 20}  The Japanese surnames etymology dictionary.

Gifu-ken , Miyagi-ken , Hokkaidou .

① Creation . From three surname. Gifu-ken Minokamo-shi At 12:30 (2 Years of Rebellion) at the Beeyachonbanbu shop tells Mr. Wada from the genealogy of Wada, Sugimoto and Miura's third surname. 和田 Wada reference. 杉本 Sugimoto reference. 三浦 Miura reference.

② Miyagi-ken Watari-gun Watari-chou Tell her that she came from Kyouto-fu Kyouto-shi from 1163 to 1165 (Choshin year) in the temple . Miyagi-ken Kakuda-shi Tell in pilgrimage at Horogen. Tochigi-ken Kanuma-shi It was in Takeko during the North-South morning era. In the same place the family crest is drawn by three rounds.

※ Saitama-ken Oosato-gun Yorii-machi Sanji was a place name with a record since the Edo period.