The word 'Kutsuki Domain' is sometimes used in the following cases: when people refer to the territory which was controlled by the soke (the head family or house), or to the Tosa Domain and Fukuchiyama Domain, which were governed by Tanetsuna's descendents.
なお、交代寄合としての宗家（朽木宣綱の子孫）の領域を指して特に「朽木藩」と呼ぶ例や、稙綱の子孫が治めた土浦藩や福知山藩などを指して「朽木藩」と呼ぶ例もある。