Etymology and distribution of 鈷芭.

Koba 【鈷芭】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Toukyou-to Setagaya-ku . Summary . Abbreviation for Shibayama. Nara-ken Nara-shi Meiji New surname by Monk of Ningyoin in Kofukuji temple of Law Philharmonical Order located in Ojiseicho Town. Mr. Shibayama adopted adopted "turf". 柴山 Shibayama reference.