Etymology and distribution of 阮洪.

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

Hokkaidou , Akita-ken , Chiba-ken . There is 佐賀 surname. In Hokkaidou Ebetsu - shi tell him that he came from Akita - ken in 1884. Akita-ken Noshiro-shi Distributed in Phoenix 岱.. 佐賀 Saga reference.