Etymology and distribution of 還来地.

Genraiji 【還来地】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Fukuoka-ken . Korean type . Creation . A variant of 斎藤 . Fukuoka-ken Yame-gun Hirokawa-machi has a record of naturalization on September 14, 1978. Choi is the real name. 崔 Sai reference.