Etymology and distribution of 保曽川.

Hosokawa 【保曽川】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Kouchi-ken .

① Kouchi-ken Aki-gun Geisei-mura Origin of Japanese food. A place name with a record since the Heian period.

② Tokushima-ken Naka-gun Naka-chou birth of Japanese chef. Place name with a record since the North / South morning era. The place name was also written as "Egashiri".