In the concrete back alleys of Seongsu-dong, affluent young travelers weave through industrial-chic pop-up boutiques testing the latest Korean skin care regimens before drifting toward Gwangjang Market for sizzling mung bean pancakes and spicy rice cakes. By late afternoon, many of those same visitors trade high-fashion storefronts for hiking boots, ascending the granite ridges of Mount Acha to catch sweeping sunset vistas over the skyline — all without ever setting foot outside the municipal limits. This seamless fusion of high-concept retail, neighborhood gastronomy and urban wilderness has propelled Korea’s capital to an unprecedented milestone in international tourism. Seoul on Monday was named Favorite Worldwide City by millennial and Gen Z travelers in the 2026 Trazees awards for a fifth consecutive year, earning an induction into the publication’s Hall of Fame alongside a rare Quint Status distinction. Organized by FXExpress Publications, the parent company behind Trazee Travel and Global Traveler, the annual survey aggregates votes from a highly coveted demographic: 25-to