Etymology and distribution of 浄安.

Jouan 【浄安】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Ibaraki-ken , Nagano-ken , Tochigi-ken .

① There is 高須 surname.

② things . Tochigi-ken Sakura-shi In Shimogawa, I tell him that I came from Toyama-ken during the Edo period and added trees to Takanishi surname. 高西 Takanishi reference.