Zeze-jo Castle is included in a list of the three typical castles in Japan and one of the ukishiros (castles built over and into the water) of Lake Biwa along with Otsu-jo Castle, Sakamoto-jo Castle, and Seta-jo Castle.
日本三大一覧城の一つに数えられ、また大津城、坂本城、瀬田城と並ぶ「琵琶湖の浮城」の一つである。