「Iwaihara」(いわいはら)さんの名字の由来、語源、分布。

Ooita-ken , Oosaka-fu . 宇喜多 's variant. Ooita-ken Hayami-gun tells Hiji-machi that he was engaged in agriculture during the Edo period.

2018年 7月 11日更新

Whole Japan		Prefectures
レベル	2	1　Fukuoka-ken(About 10) 2　Kanagawa-ken(Very rare) 2　Aichi-ken(Very rare) 2　Oosaka-fu(Very rare)
Population	About 30
Ranking	Out of ranking

Rank by city
1　Kitakyuushuu-shi Kokuraminami-ku(Very rare) 1　Munakata-shi(Very rare) 1　Noogata-shi(Very rare) 1　Yokohama-shi Hodogaya-ku(Very rare) 1　Chita-gun Taketoyo-chou(Very rare) 1　Takatsuki-shi(Very rare)

Rank by subregion

Etymology and distribution of 岩井原.