Etymology and distribution of 古安.

The Japanese surnames etymology dictionary.
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古安さんの分布

Population

Distributions by prefecture
都道府県分布数図
Distributions by city
市区町村分布数図
Distributions by subregion
小地域分布数図
Whole Japan Prefectures
レベル3 1 Chiba-ken(About 40)
2 Tottori-ken(About 20)
3 Shimane-ken(About 10)
3 Oosaka-fu(About 10)
5 Kagawa-ken(Very rare)
5 Shizuoka-ken(Very rare)
5 Toukyou-to(Very rare)
5 Hyougo-ken(Very rare)
5 Kyouto-fu(Very rare)
PopulationAbout 100
Ranking30,947
Rank by city
1 Yonago-shi(About 20)
2 Isumi-gun Ootaki-machi(About 10)
3 Mobara-shi(About 10)
4 Yasugi-shi(Very rare)
4 Matsue-shi(Very rare)
4 Katano-shi(Very rare)
4 Kita-gun Miki-chou(Very rare)
4 Hamamatsu-shi(Very rare)
4 Koutou-ku(Very rare)
4 Chousei-gun Mutsuzawa-machi(Very rare)
Rank by subregion
1 千葉県 夷隅郡大多喜町 筒森(About 10)

Distributions of ratios

Distributions of ratios by prefecture
都道府県分布比率図
Distributions of ratios by city
市区町村分布比率図
Distributions of ratios by subregion
小地域分布比率図
Whole Japan Prefectures
RatiosVery rare 1 Tottori-ken(0.00303%)
2 Shimane-ken(0.000926%)
3 Chiba-ken(0.000794%)
4 Kagawa-ken(0.000382%)
5 Kyouto-fu(0.000166%)
6 Oosaka-fu(0.000115%)
7 Shizuoka-ken(0.000111%)
8 Hyougo-ken(Very rare)
9 Toukyou-to(Very rare)
Rank by city
1 Isumi-gun Ootaki-machi(0.0972%)
2 Chousei-gun Mutsuzawa-machi(0.0473%)
3 Kita-gun Miki-chou(0.0137%)
4 Yonago-shi(0.0134%)
5 Mobara-shi(0.0099%)
6 Kyoutanabe-shi(0.008%)
7 Sanmu-shi(0.00753%)
8 Yasugi-shi(0.00749%)
9 Katano-shi(0.00618%)
10 Kisaradzu-shi(0.00405%)
Rank by subregion

Notable cities

Isumi-gun Ootaki-machi

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