「Ookuwa」(おおくわ)さんの名字の由来、語源、分布。

① Niigata-ken was in the Azuchi Momoyama period, Niigata-ken Nagaoka-shi was in the Edo era in Yokura Town.

② Iwate-ken Miyako-shi Originated from a small black figure in a small country.

※ Kanagawa-ken Kawasaki-shi In Suwa in Takatsu-ku, tell Kanagawa-ken Yokohama-shi from Kodera of Kanagawa Ward Saitama to Azuchi-Momoyama era. Location unknown.

2022年 8月 2日更新

Whole Japan		Prefectures
レベル	4	1　Shizuoka-ken(About 400) 2　Aichi-ken(About 300) 3　Ishikawa-ken(About 300) 4　Oosaka-fu(About 120) 5　Gifu-ken(About 90) 6　Kanagawa-ken(About 70) 7　Nagasaki-ken(About 50) 8　Tokushima-ken(About 40) 8　Hokkaidou(About 40) 10　Toukyou-to(About 40)
Population	About 1,700
Ranking	5,734

Rank by city
1　Hamamatsu-shi(About 300) 2　Kanazawa-shi(About 200) 3　Toyokawa-shi(About 200) 4　Toyohashi-shi(About 70) 5　Seki-shi(About 30) 5　Tokushima-shi(About 30) 7　Hakusan-shi(About 30) 7　Iwata-shi(About 30) 7　Sasebo-shi(About 30) 10　Hakui-gun Shika-machi(About 20)

Rank by subregion
1　静岡県浜松市大栗安(About 70) 2　静岡県浜松市懐山(About 40) 3　岐阜県関市小屋名(About 20) 4　石川県金沢市長坂台(About 20) 4　石川県金沢市大桑町(About 20) 4　長崎県佐世保市折橋町(About 20) 7　静岡県浜松市熊(About 10) 7　静岡県浜松市山東(About 10) 7　静岡県浜松市阿寺(About 10) 7　愛知県豊川市西方中道(About 10)

Rank by subregion