Etymology and distribution of 外谷.

Toya 【外谷】^{レベル4
About 1,900}  The Japanese surnames etymology dictionary.

Kyouto-fu Kyouto-shi . There is a surname including "Hiiragi".

Sototani 【外谷】^{レベル4
About 1,900}  The Japanese surnames etymology dictionary.

Iwate-ken Kuji-shi , Chiba-ken Ichihara-shi . There is a 天満 surname.

Sotoya 【外谷】^{レベル4
About 1,900}  The Japanese surnames etymology dictionary.

Hokkaidou , Okayama-ken Kurashiki-shi .

① 天本 variant of. There is the era of 978 - 983 years (Tengen). 天本 Amamoto reference.

② Korean type . 天本 variant of. Hyougo - ken Koube - shi There is a record of naturalization on September 3, 1960 in Hyogo - ku. The real name is all. 天本 Amamoto reference. 全 Zen reference.