Etymology and distribution of 垣内中.

Kaitonaka 【垣内中】^{レベル2
About 30}  The Japanese surnames etymology dictionary.

Hokkaidou Tokachishi-chou Taiki-chou . Thing . A variant of 加藤木 . Ibaraki-ken Mito-shi Sannomaru was in the Edo period in the Mito samurai of the Clan office. 加藤木 Katougi reference.