Etymology and distribution of 五百澤.

Iozawa 【五百澤】^{レベル2
About 30}  The Japanese surnames etymology dictionary.

砂 Suna reference.

Imozawa 【五百澤】^{レベル2
About 30}  The Japanese surnames etymology dictionary.

Toukyou-to , Fukuoka-ken , Saga-ken .

① Nagasaki-ken Isahaya-shi Origin of Yuki (Uki) town. A place name with a record since the Edo period. The place name was also written as "Uki" and "Ukikame." There was Uki castle in the same area during the North and South morning.

② Nagano-ken Nagano-shi Birth of Uki Ueumu on Miwa. A place name with a record since the Kamakura period. The place name was also written as "Uji."

③ Korea type . Use something similar to Song. Toukyou-to Shinjuku-ku has a record of naturalization on July 16, 1968. The real name is Song. 宋 Sou reference.