Nakatsu Domain
Nakatsu Domain (中津藩, Nakatsu-han) was a feudal domain under the Tokugawa shogunate of Edo period Japan, in what is now northern Ōita Prefecture. It was centered around Nakatsu Castle in what is now Nakatsu, Ōita and was ruled by the fudai daimyō Okudaira clan for much of its history.