Etymology and distribution of 藤丘.

Fujioka 【藤丘】^{レベル3
About 90}  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.