Tsuchiura Domain
Tsuchiura Domain (土浦藩, Tsuchiura-han) was a feudal domain under the Tokugawa shogunate of Edo period Japan, located in Hitachi Province (modern-day Ibaraki Prefecture), Japan. It was centered on Tsuchiura Castle in what is now the city of Tsuchiura, Ibaraki. It was ruled for much of its history by the Tsuchiya clan.