Etymology and distribution of 在山.

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

Yamaguchi-ken Kudamatsu-shi , Tokushima-ken Mima-shi . 井内 surname available. Tokushima-ken Mima-shi Waki Michi Daikoku Inajiri In Wakamiya South Tokushima-ken Tokushima-shi Tokushima cho inside castle told the Edo period from Mr. Hashika of the same lord of Tokushima clan of the clan government. There is also a story that the pronunciation of Iina (Inai) surname was changed in the sense that it was not in the same place because he was not in the same place because of the guidance of the stick in the same place.