Etymology and distribution of 亜紺.

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

Kagoshima-ken Ooshima-gun Setouchi-chou , Okinawa-ken · Fukui-ken . Terrain . Added "Valley" in the morning which is the surname of Kagoshima-ken 's Amami archipelago. Estimated at the time of returning to Japan in 1953. Kagoshima-ken Ooshima-gun Setouchi-chou Kanan is based. 朝 Asa reference.