Etymology and distribution of クロオラン.

Kurooran* 【クロオラン】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Hiroshima-ken Aki-gun Kaita-chou · Hokkaidou . Korean type . Terrain . Add "mountain" to Choi. It is in the record of naturalization on Oosaka-fu Higashioosaka-shi on July 2, 1969. It is also called "Plaza". Choi is the real name. 崔 Sai reference. Hiroshima-ken Aki-gun There is distribution in Kaita-chou Ridge.