Etymology and distribution of ウチャアグ.

Uchaagu* 【ウチャアグ】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Kagoshima-ken , Chiba-ken .

① Topography . "Field" was added to Megumi which is the surname of Amagi archipelago of Kagoshima-ken . Estimated at the time of returning to Japan in 1953. 恵 Megumi reference.

② 江畑 There is surname.