Etymology and distribution of 城岡.

Shirooka 【城岡】^{レベル3
About 400}  The Japanese surnames etymology dictionary.

Kagoshima-ken .

① Kagoshima-ken Minamikyuushuu-shi Birthplace of Takkamaki Minamichibu Furuicho. On the same day there was a Takeniba gate of the gate division system in the Edo period.

② Topography . From the imminent land of a mountain with bamboo. Tell Kumamoto-ken Koushi-shi that Mr. Nakahara called in the Kamakura period. 中原 Nakahara reference. Kumamoto-ken Koushi-shi Takebosu (Takaba) is a place name with a record since the North-South morning era. Tell the place name from Mr. Takefusi's name.