Etymology and distribution of 蛸谷.

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
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Popuration of 蛸谷.

カンマ区切りで複数の名字を指定できます。

Etymology of 蛸谷

Distribution of 蛸谷
Ranking
1 Mitoyo-shi(About 20)
2 Koube-shi Nagata-ku(About 10)
3 Sanda-shi(Very rare)
3 Himeji-shi(Very rare)
3 Koube-shi Nishi-ku(Very rare)
3 Sasayama-shi(Very rare)
3 Katori-gun Tako-machi(Very rare)
3 Nagoya-shi Midori-ku(Very rare)
3 Hiratsuka-shi(Very rare)