Yamaguchi-ken Shimonoseki-shi . There is a surname including "Masu."
| Whole Japan | Prefectures | |
|---|---|---|
| レベル | 2 |
1 Wakayama-ken(About 10) 2 Shizuoka-ken(Very rare) 2 Aomori-ken(Very rare) 2 Oosaka-fu(Very rare) 2 Chiba-ken(Very rare) 2 Hyougo-ken(Very rare) 2 Mie-ken(Very rare) |
| Population | About 30 | |
| Ranking | Out of ranking | |
| Rank by city |
|---|
|
1 Higashimuro-gun Kushimoto-chou(About 10) 2 Yokkaichi-shi(Very rare) 2 Hamamatsu-shi(Very rare) 2 Aomori-shi(Very rare) 2 Funabashi-shi(Very rare) 2 Oosaka-shi Hirano-ku(Very rare) 2 Koube-shi Nishi-ku(Very rare) |
| Rank by subregion |
|---|
