Etymology and distribution of 国清.

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

Nagasaki-ken Sasebo-shi · Fukuoka-ken Kitakyuushuu-shi Ogakura-ku · Oosaka-fu . A variant of 小佐井 . Nagasaki-ken Sasebo-shi It is distributed in the small sato town. 小佐井 Kosai reference.