Obama Domain
was the 3rd "daimyō" of the Obama Domain. He was the eldest son of Sakai Tadanao, and served as a "sōshaban" in 1681. He became "daimyō" on his father's death in 1682, as which time he separated a 10,000 "koku" holding for his younger brother Sakai Tadashige in accordance with his father's will, forming the Tsuruga Domain. His courtesy title was "Tōtōmi-no-kami". He died at Obama in 1686. His wife was a daughter of Shimazu Tsunahisa of Satsuma Domain.