Etymology and distribution of 崗村.

Okamura 【崗村】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Toyama-ken , Shiga-ken · Aichi-ken . Summary . Abbreviation for Kaganoi. Nagano-ken Nagano-shi Magoshimacho Tojo Kaga is a place name with a record as "Kawai" in Warring States Period. 加賀野井 Kaganoi reference.