Castles were called 'Negoya' (small-scale castle town), 'mansion (yakata/tachi/tate),' or 'house' in some regions, and were surrounded with walls and had turrets at the gate, practically functioning as castles.
地域によって「根小屋」「館（やかた／たち／たて）」「屋形（やかた）」などと呼ばれ、周囲に堀を巡らし、門に櫓を配置するなど、実質的に城としての機能を備えていた。