Osaka

As the third-largest city, its vibrant Dotonbori district pulses with neon signs and street food stalls serving takoyaki and okonomiyaki. Osaka Castle, founded in 1583, anchors the city's rich history, drawing 3.5 million visitors yearly. This dynamic blend of modern energy and samurai-era heritage offers a distinct flavor of Japan. Food tours and nightlife make Osaka a must for any traveler seeking authentic local culture.