The Minakuchi-jo Castle was located in the west of the Tokai-do Minakuchi-juku Station, and the city of Minakuchi was divided into shukuba-machi on its east side and castle town on its west side.
水口城は東海道水口宿の西にあり、水口の街は東に宿場町西に城下町の二面性を持っていた。