Nijō Castle is a flatland castle located in Kyoto, Japan. The castle
consists of two concentric rings (Kuruwa) of fortifications, the Ninomaru
Palace, the ruins of the Honmaru Palace, various support buildings and several
gardens. The surface area of the castle is 275,000 square meters, of which 8000
square meters is occupied by buildings.
It is one of the seventeen assets of
Historic Monuments of Ancient Kyoto which have been designated by UNESCO as a
World Heritage Site.