Toukyou-to , Kanagawa-ken . 岩谷 's variant. Shiga-ken Kouka-shi It was in the mouth of Mizuguchi-machi during the Edo period. Shimane - ken Ooda - shi Kawaicho Yoshinaga telling that he changed his name from Iwatani surname in the Edo period. 岩谷 reference.
| Whole Japan | Prefectures | |
|---|---|---|
| レベル | 3 |
1 Oosaka-fu(About 30) 2 Mie-ken(About 10) 3 Kanagawa-ken(Very rare) 3 Okinawa-ken(Very rare) 3 Wakayama-ken(Very rare) 3 Hyougo-ken(Very rare) |
| Population | About 70 | |
| Ranking | 38,443 | |
| Rank by city |
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1 Yokkaichi-shi(About 10) 2 Oosaka-shi Higashinari-ku(About 10) 2 Higashioosaka-shi(About 10) 4 Nakagami-gun Nishihara-chou(Very rare) 4 Yao-shi(Very rare) 4 Ashigarakami-gun Kaisei-machi(Very rare) 4 Kainan-shi(Very rare) 4 Toyono-gun Toyono-chou(Very rare) 4 Oosaka-shi Joutou-ku(Very rare) 4 Sakai-shi(Very rare) |
| Rank by subregion |
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