A view of one of the traditional buildings within the grounds of Nijō Castle in Kyoto . Built in the early 17th century as the Kyoto residence of Tokugawa Ieyasu, the first shogun of the Tokugawa shogunate, the castle complex reflects the political power of Japan ’s feudal era. Surrounded by stone walls, gardens, and defensive structures, the site combines military architecture with refined Japanese aesthetics. Today, Nijō Castle is one of Kyoto’s most important historical landmarks and a UNESCO World Heritage Site, attracting visitors who come to explore its palaces, gates, and beautifully landscaped grounds.