Etymology and distribution of 亜紺.

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

Toukyou-to , Okayama-ken , Hyougo-ken .

① Topography . "Island" was added in the morning which is the surname of Amagi archipelago of Kagoshima-ken . In Oosaka-fu Oosaka-shi there was a case that changed from morning surname in 1952. 朝 Asa reference.

② Ishikawa-ken Wajima-shi Shimonoseki Asakata is the origin.

③ Korea type . "Korea has" morning ". There is a record of naturalization on Toukyou-to Choufu-shi on August 12, 1967. Choi is the real name. 崔 Sai reference.