Cases have been reported mainly in Kyoto and Nara, in which the domicile of the Kawaramono in the Medieval Period coincided with those who were discriminated in modern times, while reported cases focused on the controversy of the origin of Buraku (discriminated hamlet).
近年、中世の河原者の居住地と、近世の被差別民の居住地が重なる例が京都や奈良を中心に報告され、部落の起源論争の大きな焦点となっている。