Etymology and distribution of 沢枝.

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

Popuration of 沢枝.

カンマ区切りで複数の名字を指定できます。

Etymology of 沢枝

Distribution of 沢枝
Ranking
1 Hokkaidou(About 20)
1 Ishikawa-ken(About 20)
3 Toukyou-to(About 10)
4 Oosaka-fu(About 10)
4 Kanagawa-ken(About 10)
6 Saitama-ken(Very rare)
6 Fukui-ken(Very rare)
6 Shizuoka-ken(Very rare)