Etymology and distribution of ファン.

Fan* 【ファン】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Hiroshima-ken , Shimane-ken , Ehime-ken . Shimane-ken There is distribution in Yokota-cho for Masuda-shi . There are Yanai surname, 柳原 surname in the same place. 柳井 Yanai reference. 柳原 Yanagihara reference.