Etymology and distribution of 美谷嶋.

Biyajima 【美谷嶋】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Kagoshima-ken . Terrain . "Da" was added to the base which is the surname of Amagi archipelago of Kagoshima-ken . Estimated at the time of returning to Japan in 1953. 基 Motoi reference.