Sakai Tadakatsu was a Sengoku period Japanese samurai, and early Edo period daimyō and served in several important positions within the administration of the Tokugawa shogunate.

Kawagoe Domain was a feudal domain under the Tokugawa shogunate of Edo period Japan. It is located in Musashi Province, Honshū. The domain was centered at Kawagoe Castle, located in what is the city o