Etymology and distribution of 不波.

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

Hokkaidou , Iwate-ken Kunohe-gun Karumai-machi , Ishikawa-ken Kaga-shi .

① A variant of 山下 . Iwate - ken Kunohe - gun Karumai - machi In the mountains I tell you that I changed my name from Yamashita surname. 山下 Yamashita reference.

② Topography . From the mountains and under the field. Hokkaidou Iburishi-chou Atsuma-chou Takaoka says that she came from Ishikawa-ken in 1896.