Etymology and distribution of 下會所.

Shimokaisho 【下會所】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Saga-ken Saga-shi . Korean type . "Mountain" added to Cao. There is a record of naturalization on Saga-ken Saga-shi on February 7, 1977. The real name is 曺. The notation of "Official Gazette" is "Cao".