is a castle in Sange, Tsuyama, Okayama Prefecture, Japan. It had been residence of the government office and lord of Tsuyama Domain (Tsuyama Han) during the Edo period. One of Japan's three major hirayama-style Castle. (In addition, Himeji Castle (姫路城), Iyo Matsuyama Castle (伊予松山城)) Tsuyama Castle had a complex of 77 buildings. This surpassed the 61 buildings of Himeji Castle and 76 buildings of Hiroshima Castle (広島城). However, it has been lost altogether. It was a residence of the Tsuyama Domain.