Among them, Oaza Oharano was reorganized into the two towns of Oharano Kitakasuga-cho and Oharano Minamikasuga-cho, Oaza Iwamikamizato was reorganized into the three towns of Oharano Iwami-cho, Oharano Kamizato Kamino-cho and Oharano Kamizato Shimono-cho.
このうち、大字大原野は大原野北春日町、大原野南春日町の2町に、大字石見上里は大原野石見町、大原野上里上ノ町、大原野上里下ノ町の3町に編成された。