However, some castles, such as Inuyama-jo Castle and Matsumoto-jo Castle, after their buildings were specified to be sold and/or demolished, have been preserved for various reasons and designated as National Treasures and historic sites.
ただし、犬山城や松本城のように、建造物が売却、取壊しの対象になったが、それぞれの理由により現存し、国宝、史跡になっているものもある。