Etymology and distribution of 阪山.

Sakayama 【阪山】^{レベル3
About 60}  The Japanese surnames etymology dictionary.

Iwate-ken , Hokkaidou . Variant of the 周防 . Iwate - ken Hanamaki - shi In Okeshi Town Okawawa it is said that Yamaguchi - ken Eastern (old: Sukhou County) comes out. 周防 Suou reference.