Etymology and distribution of 崗本.

Okamoto 【崗本】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Saitama-ken Kumagaya-shi , Niigata-ken . Saitama-ken Kumagaya-shi Based in Satanada. It was in the Edo period in the same place. Saitama-ken Kazo-shi Toshiaki (Kagasaki), a small figure of Okoshi, is a place name with a record since the Edo period. Saitama-ken Gyouda-shi It was notation of "Toshizaki" to the vassal of Mr. Narita who was a castle owner in the Sengoku period and Azuchi-Momoyama period in Honmaru's Shibuki. It is unknown whether Toshizaki exists.