Etymology and distribution of バアン.

Baan* 【バアン】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Ooita-ken Beppu-shi · Shizuoka-ken Hamamatsu-shi Naka-ku. Personal name . Ooita-ken Kitsuki-shi Meiji New surname by monk of Daisuji Temple of Soto sect in Yasaka. From SASHIYAMA, the monk of the Edo period who worked for the religious sect of Saoto sect. The meaning of "the gate of SASAYAMA". 無着下 Muchakka reference.