Etymology and distribution of 伊之脇.

Inowaki 【伊之脇】^{レベル2
About 10}  The Japanese surnames etymology dictionary.

Hokkaidou , Iwate-ken , Niigata-ken .

Beginning of Niigata-ken Iwafune County. A place name with a record since the Heian period. The place name was also written as "Bamboo" and "Ishinbune." Hokkaidou Haken by Hakodate-shi .

② Origin of Nagano-ken Nakano-shi rocks. A place name with a record since the Warring States Period. The place name was also written as "Iwafune."