Etymology and distribution of 井河沢.
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| Whole Japan | Prefectures | |
|---|---|---|
| レベル | 2 |
1 Hokkaidou(About 10) 2 Ibaraki-ken(Very rare) |
| Population | About 20 | |
| Ranking | Out of ranking | |
| Rank by city |
|---|
|
1 Hakodate-shi(About 10) 2 Hitachinaka-shi(Very rare) |
| Rank by subregion |
|---|
|
1 北海道 函館市 富岡町(About 10) |
| Whole Japan | Prefectures | |
|---|---|---|
| Ratios | Very rare |
1 Hokkaidou(0.000209%) 2 Ibaraki-ken(0.000142%) |
| Rank by city |
|---|
|
1 Hakodate-shi(0.00375%) 2 Hitachinaka-shi(0.0028%) |
| Rank by subregion |
|---|
