Tsuyama Domain was a feudal domain under the Tokugawa shogunate of Edo period Japan, in what is now northern Okayama Prefecture. It controlled most of Mimasaka Province and was centered around Tsuyama

Tsuyama is a city in Okayama Prefecture, Japan. In February 2023, the city had an estimated population of 97,507 in 45,653 households and a population density of 190 persons per km2. The total area of