Etymology and distribution of 九十九沢.

Tsukumosawa 【九十九沢】^{レベル2
About 20}  The Japanese surnames etymology dictionary.

Hokkaidou , Shimane-ken , Kagoshima-ken Kirishima-shi . Distribution that also includes Nishi-shero.

① Nara-ken Shiki-gun Tawaramoto-chou Origin of Nishiyo (Nisin Dai). A place name with a record since the Warring States Period. The place name was also written as "Nishidai" and there was also pronunciation of Nishitai.

② Oosaka-fu Kawachinagano-shi Origin of Nishiyo-cho. A place name with a record since the Edo period. Tradition with Oosaka-fu . The pronunciation is a herring dai.