Matsuyama Castle
is a castle in Sange, Tsuyama, Okayama prefecture, Japan. Tsuyama is home to one of Japan's three major "hirayama" (平山城 hilltop) style castles along with Himeji Castle and Matsuyama Castle (Iyo), which were constructed around the same time. During the Edo period, Tsuyama castle served as the primary residence of the government official and Lord of the Tsuyama Domain (Tsuyama han).