For a first-time visitor in 2026, the ideal stay in Tokyo is typically 5 to 7 nights. A minimum of 3 full days allows you to see the absolute "big hits," such as the Shibuya Crossing, Senso-ji Temple in Asakusa, and the neon-lit streets of Shinjuku. However, a week-long stay is highly recommended because it provides a more relaxed pace and the opportunity to venture into diverse neighborhoods like the anime hub of Akihabara or the high-end shopping district of Ginza. This duration also allows for at least one or two iconic day trips to places like Mount Fuji (Lake Kawaguchi), the shrines of Nikko, or the coastal town of Kamakura. If you are a deep explorer or plan to visit Tokyo Disney Resort (which requires 1–2 days on its own), you could easily spend 10 days without running out of unique cultural, culinary, and futuristic experiences.