Etymology and distribution of 改口.

Kaiguchi 【改口】^{レベル2
About 10}  The Japanese surnames etymology dictionary.

Miyagi-ken , Toukyou-to , Fukushima-ken .

① Fukushima-ken Kawanuma-gun Aidzubange-machi Origin of Kanui . A place name with a record since the Edo period. It was in the Azuchi-Momoyama period as a vassal of Mr. Satake based on Ibaraki-ken .

② Korean type . Terrain . Add 'on' to gold. There is a record of naturalization on February 12, 1970 at Nagano-ken Matsumoto-shi . The real name is money. 金 Kon reference.