Etymology and distribution of 古甲.

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

Nara-ken , Oosaka-fu , Kagoshima-ken Ooshima-gun Isen-chou .

① Nara-ken Kitakatsuragi-gun Kanmaki-chou Nakamaki is based.

② things . "Kuraku" was added to Yoshi which is the surname of Amagi archipelago of Kagoshima-ken . Estimated at the time of returning to Japan in 1953. 芳 Yoshi reference.