Etymology and distribution of 宇根岡.

Uneoka 【宇根岡】^{レベル3
About 90}  The Japanese surnames etymology dictionary.

Niigata-ken , Yamaguchi-ken , Toukyou-to .

① Topography . From Jiang and village. There is a place name including "Jiang". Niigata-ken Nakauonuma-gun Tsunan-machi I tell her that she was living in the Muromachi period as a pioneer in the Uchimaru. It was in the Edo period in Yamaguchi-ken Shuunan-shi .

② Birth of Kouchi-ken Nankoku-shi Okayasocho village. A place name with a record since the Heian period.

③ Sina series . Terrain . "Village" added to the river. There is a record of naturalization on Iwate-ken Morioka-shi on October 6, 1973. The real name is Jiang. 江 Gou reference.