Etymology and distribution of 越戸沢.

Ottozawa 【越戸沢】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Fukuoka-ken , Saitama-ken , Kagoshima-ken .

① Originated from Saitama-ken Han'nou-shi Kawaji (formerly Kajiko). A place name with a record since the Kamakura period.

② Occupation . Kagoshima-ken Ibusuki-shi From the gate Kajimon of the gate division system that was in the Edo period in Senda. The gate name comes from the blacksmith.