栃山の由来、語源、分布
| 排名 |
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1 Monbetsu-shi(約 10 人) 2 Tokachishi-chou Kamishihoro-chou(約 10 人) 3 Tokachishi-chou Makubetsu-chou(極少數) 3 Oshimashi-chou Nanae-chou(極少數) 3 Obihiro-shi(極少數) 3 Sapporo-shi Kita-ku(極少數) 3 Sapporo-shi Shiroishi-ku(極少數) 3 Iburishi-chou Shiraoi-chou(極少數) 3 Tokachishi-chou Ashoro-chou(極少數) |