Etymology and distribution of 江沢.

The Japanese surnames etymology dictionary.
https://play.google.com/store/apps/details?id=info.jigensha.jcedfreeGoogle Play で手に入れよう https://apps.apple.com/us/app/id1471109324
↑オフライン検索できるアプリもどうぞ
在日通名大全

日本初、在日通名の研究書「在日通名大全」発売中!
ネットの電話帳 住宅地図 マッポン!

「江沢」さんの名字の分布数。

カンマ区切りで複数の名字を指定できます。

Etymology of 江沢

Distribution of 江沢
Ranking
1 Chiba-ken(About 2,600)
2 Toukyou-to(About 800)
3 Kanagawa-ken(About 400)
4 Saitama-ken(About 300)
5 Ibaraki-ken(About 130)
6 Hokkaidou(About 100)
7 Nagano-ken(About 100)
8 Oosaka-fu(About 70)
9 Hyougo-ken(About 60)
10 Shizuoka-ken(About 60)
11 Gunma-ken(About 40)
11 Ishikawa-ken(About 40)
11 Aichi-ken(About 40)
14 Kyouto-fu(About 30)
15 Tokushima-ken(About 20)
15 Hiroshima-ken(About 20)
15 Yamaguchi-ken(About 20)
18 Kouchi-ken(About 20)
18 Tochigi-ken(About 20)
18 Shimane-ken(About 20)
18 Wakayama-ken(About 20)
22 Fukuoka-ken(About 10)
22 Fukui-ken(About 10)
22 Toyama-ken(About 10)
25 Tottori-ken(About 10)
25 Okayama-ken(About 10)
27 Kagoshima-ken(Very rare)
27 Nagasaki-ken(Very rare)
27 Fukushima-ken(Very rare)
27 Kumamoto-ken(Very rare)
27 Niigata-ken(Very rare)
27 Ehime-ken(Very rare)
27 Gifu-ken(Very rare)
27 Miyagi-ken(Very rare)
27 Nara-ken(Very rare)
27 Ooita-ken(Very rare)