Five nights in Tokyo is actually the ideal minimum duration for a first-time visitor in 2026. Tokyo is a massive "mega-city" composed of distinct districts that each feel like separate cities. A five-night stay allows you to dedicate full days to major hubs like Shibuya and Harajuku (pop culture and fashion), Shinjuku (nightlife and skyscrapers), and Asakusa (traditional temples). It also leaves room for unique 2026 experiences like the immersive teamLab Borderless art installations or a visit to the Warner Bros. Studio Tour Tokyo (Harry Potter). Far from being "too long," five nights barely scratches the surface; most seasoned travelers suggest 7 nights if you plan to include day trips to Mount Fuji, Kamakura, or the Tokyo Disney Resort.