The castles in Top 100 Japanese Castles or 100 Fine Castles of Japan were chosen based on their significance in culture, history, and in their regions by the Japanese Castle Association in 2006.

Tsuyama Castle is a Japanese castle located in the Sange neighborhood of the city of Tsuyama, Okayama Prefecture, in the San'in region of Japan. Tsuyama considered one of Japan's three major hirayama