Etymology and distribution of 開楽.

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

Okayama-ken , Gunma-ken , Hyougo-ken .

① A different form of 金井 . Niigata-ken Nagaoka-shi Board of editors was founded in the Edo period as a clan sermon of the Clan office. In the estimate, I changed the name of Mr. Ii of the same lord and changed it in the Edo period.

② Korean type . Thing . A variant of 金井 . There is a record of naturalization on Osaka -fu Kadoma-shi on February 9, 1984. The real name is money. 金 Kon reference.

※ There is a record of naturalization on Ibaraki-ken Ishioka-shi on August 26, 1954. The real name is Park. 朴 Boku reference.