Unlike the location of a Kokufu, process to pinpoint the location of Gunga ruins has not progressed because many of the Gunga establishments were relocated due to circumstances of establishment for a Gun (county) and political transitions.
郡衙は国府所在地と異なり、郡衙所在地は立郡事情や政治的変遷により移転していることもあり、その特定がなかなか進んでいない。