Tottori-ken , Toyama-ken , Hokkaidou . There is a surname including "board". Tottori-ken Saihaku-gun It was in the Edo period in Nanbu-chou .
※ Hiroshima-ken Akitakata-shi Makawa Hamasaka Saka's Mr. Saka was described as "board". 坂 reference.
| Whole Japan | Prefectures | |
|---|---|---|
| レベル | 2 |
1 Toukyou-to(About 10) 2 Oosaka-fu(Very rare) 2 Saitama-ken(Very rare) |
| Population | About 20 | |
| Ranking | Out of ranking | |
| Rank by city |
|---|
|
1 Suita-shi(Very rare) 1 Nerima-ku(Very rare) 1 Kodaira-shi(Very rare) 1 Sayama-shi(Very rare) |
| Rank by subregion |
|---|
Izawa 【井沢】レベル5
About 15,600, Izawa 【伊沢】レベル5
About 13,800, Izawa 【伊澤】レベル5
About 5,400, Izawa 【井澤】レベル5
About 5,300, Izawa 【居沢】レベル3
About 130, Izawa 【居澤】レベル2
About 20, Ishiwa 【石和】レベル4
About 1,300, Inosawa 【伊之沢】レベル2
About 10, Inosawa 【伊之澤】レベル1
Very rare are variants.
Izawa 【猪沢】レベル3
About 300, Izawa 【猪澤】レベル3
About 70, Ishiwa 【石輪】レベル3
About 130, Ishiwa 【石倭】レベル2
About 30 exist.
Izawa 【井沢】レベル5
About 15,600, Izawa 【伊沢】レベル5
About 13,800, Izawa 【伊澤】レベル5
About 5,400, Izawa 【井澤】レベル5
About 5,300, Izawa 【猪沢】レベル3
About 300, Izawa 【居沢】レベル3
About 130, Izawa 【猪澤】レベル3
About 70, Izawa 【居澤】レベル2
About 20, Ishiwa 【石和】レベル4
About 1,300, Ishiwa 【石輪】レベル3
About 130, Ishiwa 【石倭】レベル2
About 30, Inosawa 【伊之沢】レベル2
About 10, Inosawa 【伊之澤】レベル1
Very rare are referenced.
