Etymology and distribution of 坊井.

Boui 【坊井】^{レベル2
About 30}  The Japanese surnames etymology dictionary.

Toukyou-to Sumida-ku . Korean type . Terrain . Add "Mountain" to Luo. It was Oosaka-fu Higashioosaka-shi and was named after the name in 1980. The real name is Luo. 羅 Ra reference.