Etymology and distribution of 周内.

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

Kagoshima-ken Ooshima-gun Amagi-chou . Terrain . "Oka" was added to the treasure of the last name of Amagi archipelago of Kagoshima-ken . Estimated at the time of returning to Japan in 1953. Kagoshima-ken Ooshima-gun Amagi-chou There is distribution in Kanehisa. Where to 宝 there last name. 宝 Takara reference.