Etymology and distribution of 築岡.

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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Ratio of 築岡.

カンマ区切りで複数の名字を指定できます。

Etymology of 築岡

Distribution of 築岡
Ranking
1 Katsuta-gun Shouou-chou(0.0894%)
2 Kumage-gun Tabuse-chou(0.02%)
3 Iwakuni-shi(0.0139%)
4 Tsuyama-shi(0.00345%)
5 Hiroshima-shi Nishi-ku(0.00301%)
6 Okayama-shi(0.00276%)
7 Toyonaka-shi(0.00131%)