Etymology and distribution of 奈.

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

Ooita-ken , Miyagi-ken · Toyama-ken . There is an example where the fluvia means "low wetland". Ooita-ken Kitsuki-shi is based in Nada. He said that he was engaged in agriculture and forestry in the same area. Estimated in the Edo period.