The castles in Top 100 Japanese Castles or 100 Fine Castles of Japan (日本百名城, Nihon Hyaku-Meijō) were chosen based on their significance in culture, history, and in their regions by the Japanese Castle Association (日本城郭協会, Nihon Jōkaku Kyōkai) in 2006.
[1] In 2017, the Japanese Castle Association created an additional finest 100 castles list as Continued Top 100 Japanese Castles.
[2] Media related to 100 Fine Castles of Japan at Wikimedia Commons