It is a fictitious shoen (manor in medieval Japan) in "Hakkenden," which was autonomously controlled by those who had joined the Yuki War and the remnants of the Toshima family including Zanzo HIGAKI, and the eight Dog Warriors set their base there when they challenged Sadamasa OGIGAYATSU, Kanrei.
『八犬伝』に登場する架空の荘園で、氷垣残三ら、結城合戦の参加者や豊島家の残党が自治的な支配をおこなっており、管領扇谷定正に戦いを挑む八犬士が拠点とした。