Etymology and distribution of 戸谷澤.

Toyazawa 【戸谷澤】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Niigata-ken , Hyougo-ken , Miyazaki-ken . Distribution including Hatta.

① Mie-ken Iga-shi Originated from Harada (Hatta). A place name with a record since the Heian period. Niigata-ken Nagaoka-shi Board of editors was founded in the Edo period as a clan sermon of the Clan office. Niigata-ken Tsubame-shi Yoshida Shimonakano (formerly known as Harada (Hatta)) is a place name with a record since the Muromachi Period.

② Mie-ken Inabe-shi Originated from Higashi village in Hokuto-cho (formerly known as Hida). A place name with a record since the Kamakura period.

※ Topography . From the developed field. There was Saita's family name in the Heian era in Shiga-ken Nagahama-shi (formerly Asai gun).

Toyasawa 【戸谷澤】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Miyazaki-ken Ebino-shi . Terrain . Miyazaki-ken Ebino-shi From the Spring Sonson gate of the gate division system in Saigo in the Edo period. The gate name is a variant of 春園 .