「Iwai」(いわい)さんの名字の由来、語源、分布。

岩井(いわい)さんの由来と分布

① Topography . 後 the irregular shape. It was in the Edo period in Nara-ken Yoshino-gun Totsukawa-mura . Tochigi-ken Ashikaga-shi It was during the Warring States period as a vassal of Mr. Ozone who was the castle owner of pot-shaped castle in Takamatsu-machi.

③ Toyama-ken Himi-shi Originated from Uki Edge, a small figure of Inazumi.

2022年 1月 3日更新

Whole Japan		Prefectures
レベル	6	1　Chiba-ken(About 6,800) 2　Oosaka-fu(About 5,600) 3　Toukyou-to(About 5,000) 4　Aichi-ken(About 4,400) 5　Gifu-ken(About 4,400) 6　Saitama-ken(About 3,700) 7　Hyougo-ken(About 3,700) 8　Kanagawa-ken(About 3,200) 9　Hokkaidou(About 3,200) 10　Kyouto-fu(About 2,500)
Population	About 69,200
Ranking	313

Rank by city
1　Inzai-shi(About 1,000) 2　Kakamigahara-shi(About 1,000) 3　Sakura-shi(About 900) 4　Kamo-gun Yaotsu-chou(About 800) 5　Tomioka-shi(About 700) 6　Yachiyo-shi(About 500) 7　Sakai-shi(About 500) 8　Kasukabe-shi(About 500) 9　Nara-shi(About 500) 9　Anjou-shi(About 500)

Rank by subregion
1　岐阜県加茂郡八百津町八百津(About 700) 2　岐阜県各務原市三井町(About 300) 3　千葉県印西市笠神(About 200) 4　千葉県八千代市高津(About 200) 5　岐阜県各務原市小佐野町(About 200) 6　岐阜県揖斐郡揖斐川町黒田(About 200) 6　千葉県旭市足川(About 200) 8　千葉県印西市中根(About 140) 9　滋賀県野洲市五之里(About 130) 10　北海道茅部郡森町紋兵エ砂原(About 130)

Rank by subregion