Etymology and distribution of 華垣.

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

Shiga-ken , Fukui-ken Obama-shi , Kyouto-fu . Terrain . From the depression. There is an example to use "three" for you. Fukui-ken Obama-shi It was in the Fuchu during the Edo period.