Etymology and distribution of 寶山.

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

Shimane-ken . Early life system . Personal name . In Shimane-ken west (formerly Iwami-kuni), tell him that Zhang Yang of a former Han Chinese politician has applied to the designation "Ruuko" which was the name that got the ground. 張 Chou reference.