Etymology and distribution of 藏岡.

Kuraoka 【藏岡】^{レベル2
About 10}  The Japanese surnames etymology dictionary.

Fukuoka-ken Kasuya-gun Umi-machi , Kyouto-fu · Aomori-ken Hachinohe-shi . Fukuoka-ken Kasuya-gun Umi-machi It is distributed in Sakurabara. 中島 surname is in the same place. 中島 Nakajima reference.