Etymology and distribution of 固城.

Kojou 【固城】^{レベル2
About 20}  The Japanese surnames etymology dictionary.

去田 Saruta reference.

Katashiro 【固城】^{レベル2
About 20}  The Japanese surnames etymology dictionary.

Hiroshima-ken , Hyougo-ken , Fukuoka-ken . Distribution that also includes Kito.

① Hiroshima-ken Etajima-shi Originated from the head of a small bracket in Okuki- cho Fukae. In Hiroshima-ken , it is a turtle.

② Ooita-ken Nakatsu-shi Originated from the brunette chrysanthemum (Camomez) of Sanko Usuki. The last name is also Camels.

Koshiro 【固城】^{レベル2
About 20}  The Japanese surnames etymology dictionary.

Shizuoka-ken . Occupation . From monkey waka of entertainment. In Toukyou-to (formerly Edo) there was a name of Saruwako Kanzaburo who created Nakamura in the Edo period.