Etymology and distribution of 岡輪.

Okawa 【岡輪】^{レベル2
About 30}  The Japanese surnames etymology dictionary.

Yamagata-ken , Hokkaidou , Toukyou-to .

① 各務 surname has surname.

② Shiga-ken Gamou-gun Ryuuou-chou Origin of the mirror. A place name with a record since the Kamakura period.

③ There is distribution in Kumamoto-ken . Kumamoto-ken Kumamoto-shi Chuo-ku Honmaru was in the Edo era at the Kumamoto clan in the Clan office. Kumamoto-ken Yatsushiro-shi Kamamachi is a geographical name with a record since the North-South morning era.