Yamaguchi-ken , Fukuoka-ken . Last name including "Oka", 藤原 surname. It was in the Yamaguchi-ken Houfu-shi during the Warring States Period. 藤原 reference.
| Whole Japan | Prefectures | |
|---|---|---|
| レベル | 3 |
1 Niigata-ken(About 30) 2 Aichi-ken(About 10) 2 Chiba-ken(About 10) 2 Hokkaidou(About 10) 5 Fukushima-ken(Very rare) 5 Kyouto-fu(Very rare) |
| Population | About 70 | |
| Ranking | 37,228 | |
| Rank by city |
|---|
|
1 Niigata-shi(About 30) 2 Aidzuwakamatsu-shi(Very rare) 2 Ayabe-shi(Very rare) 2 Kasugai-shi(Very rare) 2 Seto-shi(Very rare) 2 Chiba-shi Chuuou-ku(Very rare) 2 Yachimata-shi(Very rare) 2 Sapporo-shi Kita-ku(Very rare) 2 Kushiroshi-chou Tsurui-mura(Very rare) |
| Rank by subregion |
|---|
|
1 新潟県 新潟市 立仏(About 10) 1 新潟県 新潟市 女池(About 10) 1 新潟県 新潟市 四ツ屋町(About 10) |
