Etymology and distribution of 枌山.

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

Fukuoka-ken Fukuoka-shi Nishi-ku. Fukuoka-ken Fukuoka-shi Nishi-ku We tell you that we changed the name from Harada surname in the warring country era. 原田 Harada reference.