After the Edo period, in some cases, a castle was not necessarily the center, but the jinya, a non-military governmental facility, was the center, and these were also called jokamachi.
江戸時代以降は、必ずしも城が中心とは限らず、戦闘を想定しない行政施設としての陣屋を中心としたケースもあるが、それらも含めて城下町と呼ぶ。