Etymology and distribution of 於島.
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| Whole Japan | Prefectures | |
|---|---|---|
| レベル | 2 |
1 Hokkaidou(About 10) 2 Toukyou-to(Very rare) 2 Niigata-ken(Very rare) |
| Population | About 20 | |
| Ranking | Out of ranking | |
| Rank by city |
|---|
|
1 Kushiro-shi(About 10) 2 Nerima-ku(Very rare) 2 Nagaoka-shi(Very rare) |
| Rank by subregion |
|---|
|
1 北海道 釧路市 浦見(About 10) |
| Whole Japan | Prefectures | |
|---|---|---|
| Ratios | Very rare |
1 Hokkaidou(0.000209%) 2 Niigata-ken(0.000161%) 3 Toukyou-to(Very rare) |
| Rank by city |
|---|
|
1 Kushiro-shi(0.00544%) 2 Nagaoka-shi(0.00141%) 3 Nerima-ku(0.00105%) |
| Rank by subregion |
|---|
