Etymology and distribution of ノウヤン.

Nouyan* 【ノウヤン】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Kagoshima-ken . Creation . "Kagoshima-ken " added "Masaki" to Maki which is the surname of the Amami archipelago. Estimated at the time of returning to Japan in 1953. 牧 Maki reference.