Etymology and distribution of 切坂.

Kirisaka 【切坂】^{レベル3
About 60}  The Japanese surnames etymology dictionary.

Ooita-ken Usa-shi . Originated from Ooita-ken Usa-shi . A place name with a record since the Nara period. It was in the Edo period in the same place. Ooita-ken Hita-shi In Shimo-cho, Yamaguchi-ken Shimonoseki-shi returned to Ooita-ken Usa-shi after the battle of Dannoura, 1185 years (2 years old and 4 years old) I told you. 平 Taira reference.