Hiroshima-ken , Kouchi-ken . There is a surname including "Oka". "Yoshi" is a favorable character. Oosaka-fu Oosaka-shi was in the Edo period.
| Whole Japan | Prefectures | |
|---|---|---|
| レベル | 3 |
1 Ibaraki-ken(About 60) 2 Chiba-ken(About 50) 3 Toukyou-to(About 10) 3 Oosaka-fu(About 10) 3 Saitama-ken(About 10) 6 Kanagawa-ken(Very rare) 6 Hokkaidou(Very rare) |
| Population | About 140 | |
| Ranking | 25,487 | |
| Rank by city |
|---|
|
1 Ryuugasaki-shi(About 40) 2 Asahi-shi(About 30) 3 Kamisu-shi(About 10) 3 Choushi-shi(About 10) 5 Katano-shi(Very rare) 5 Yokohama-shi Asahi-ku(Very rare) 5 Nerima-ku(Very rare) 5 Adachi-ku(Very rare) 5 Hasuda-shi(Very rare) 5 Kasukabe-shi(Very rare) |
| Rank by subregion |
|---|
|
1 茨城県 龍ケ崎市 半田町(About 40) 2 千葉県 旭市 三川(About 10) 2 千葉県 旭市 西足洗(About 10) 4 茨城県 神栖市 矢田部(About 10) |
