Tatebayashi Domain

Tatebayashi Domain (館林藩, Tatebayashi-han^?) was a feudal domain under the Tokugawa shogunate of Edo period Japan, located in Kōzuke Province (modern-day Gunma Prefecture), Japan. It was centered on Tatebayashi Castle in what is now the city of Tatebayashi, Gunma.

Following the Battle of Odawara in 1590, Toyotomi Hideyoshi assigned the Kantō region to Tokugawa Ieyasu, who confirmed Sakakibara Yasumasa , one of this Four Generals as daimyō of Tatebayashi, with revenues of 100,000 koku. Yasumasa built Tatebayashi Castle and the surrounding castle town, as well as constructing waterworks protecting the new town from flooding. His son Sakakibara Yatsukatsu participated in the Siege of Osaka, and his nephew and heir Sakakibara Tadatsugu received permission to use the Matsudaira surname and an increase in revenues to 110,000 koku in 1625. He was transferred to Shirakawa Domain in Mutsu Province in 1643.