Etymology and distribution of 華産.

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

Toukyou-to Taitou-ku · Toukyou-to Arakawa-ku . Korean type . Toukyou-to Taitou-ku was in 1958 and was named after. Kirei is Kure. 呉 Go reference.