Etymology and distribution of 開沢.

Kaizawa 【開沢】^{レベル3
About 200}  The Japanese surnames etymology dictionary.

Kumamoto-ken Amakusa-shi , Hyougo-ken Awaji-shi .

① Kumamoto-ken Amakusa-shi Originated from a small white of Kuma cho.

② Kumamoto-ken Amakusa-shi Originated from a small white of Kawaura's Kaoru- cho.

③ Hyougo-ken Awaji-shi Originated from a small white one of Niii.

Hirakizawa 【開沢】^{レベル3
About 200}  The Japanese surnames etymology dictionary.

Fukuoka-ken , Ooita-ken Nakatsu-shi . Ooita-ken Nakatsu-shi Yamaguni-machi birth of Akira Akiki . Ooita-ken Nakatsu-shi There is a distribution in the yuya.