, also known as Sendai Castle (Sendai-jō 仙台城), was the castle of the Date family. Built by Date Masamune atop Mount Aoba, it commanded a highly defensible strategic position overlooking the city of Sendai. The castle was one of the nerve centers of the Ōuetsu Reppan Dōmei during the Boshin War, when (...) (from Wikipedia)