Based on written records, excavation and research, and presumption that it was founded after Yamanakagoe (a local road) from Omi and Fukasakagoe (a mountain path separating Fukui Prefecture and Shiga Prefecture) were united, recent study shows that Hikida, Tsuruga City is the most likely location.
文書の記録や発掘調査、および近江からの山中越と深坂越が一つになった後に設置されたとの推定から、近年の研究では敦賀市疋田が有力とされる。