Etymology and distribution of ダナン.

Danan* 【ダナン】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Kyouto-fu Tsudzuki-gun Ide-chou , Nara-ken , Oosaka-fu . Terrain . From the central boulevard. Nara-ken tells me that he changed the name from Nara surname in the Nara-shi neighborhood (formerly Shigemachi) during the Warring States Period. 奈良 Nara reference.