Etymology and distribution of 保花.

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

Oosaka-fu Oosaka-shi Hirano-ku. Korean type . "Yoshi" is a favorable character. There is a record of naturalization on Oosaka-fu Yao-shi on 28th May 1987. The real name is Zhang. 張 Chou reference.