Etymology and distribution of 右内.

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

Oosaka-fu , Kagoshima-ken , Shizuoka-ken . Terrain . From Enoko and the valley. Oosaka-fu Suita-shi It was in the Edo period in Esaka Town. Esaka is a place name with a record since the Heian period. The place name was also called "Enokaka (Esaka)". Kagoshima-ken Aira-shi Kaigi-cho Nishi -gofi is based. In Ooita-ken , say that the branch of Yamanae surname told that there was Enoki tree in the mansion. Pronunciation is Enokiya. 山矢 Yamaya reference.