Etymology and distribution of 草谷.

Kusagaya 【草谷】^{レベル4
About 600}  The Japanese surnames etymology dictionary.

Ishikawa-ken Kaga-shi . Ishikawa-ken Kaga-shi has 曽宇谷 surname. 曽宇谷 Souya reference.

Kusatani 【草谷】^{レベル4
About 600}  The Japanese surnames etymology dictionary.

Kagoshima-ken , Gunma-ken , Miyazaki-ken .

① Kagoshima-ken Satsumasendai-shi Origin of Goshi-cho. A place name with a record since the Kamakura period.

② Gunma-ken Isesaki-shi There was a curved town in the Edo period in the Isezaki clan of the clan office. There was the name of Emperor Godaigo (Emperor Godaigo), the emperor of the Kamakura period and the Northern and Morning Dynasty.

Kusaya 【草谷】^{レベル4
About 600}  The Japanese surnames etymology dictionary.

胡谷 Ebisudani reference.