Etymology and distribution of 二坂谷.

Nisakaya 【二坂谷】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Gifu-ken , Aichi-ken .

① Shiga-ken Nagahama-shi Originated in Horibe town. A place name with a record since the Warring States Period.

② Topography . Tokushima-ken Miyoshi-shi Ikawa Town Tsuji tells Meiji New surname by neighborhood of moat.