Etymology and distribution of 炭木.

Sumiki 【炭木】^{レベル2
About 20}  The Japanese surnames etymology dictionary.

Hiroshima-ken , Wakayama-ken , Gifu-ken .

① Hiroshima-ken Higashihiroshima-shi Distributed in Saijo - machi, Goshonohi . There is an osaka in the small stamps of the same place.

② Wakayama-ken Hidaka-gun Inami-chou Originated from Minokooka, a western shrine.

③ Topography . "Oka" was added because it is the first surname of Amagi archipelago of Kagoshima-ken . Estimated at the time of returning to Japan in 1953. 為 Tame reference.