Etymology and distribution of 工樂.

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

Tochigi-ken Utsunomiya-shi , Fukushima-ken Fukushima-shi , Toukyou-to . 金野 surname available. It is the keiretsu of Genjiya who is the warlord of the Heian period and tells that Iwate - ken Miyako - shi area lived in the early Kamakura period. Iwate - ken Miyako - shi It was in Warring States Period in Kuroda Town. 金野 Kon'no reference.