The world’s cruise industry is dominated by several key regions, each offering a distinct experience. The Caribbean remains the most popular region year-round, divided into Western (Mexico/Belize), Eastern (Virgin Islands/St. Maarten), and Southern (Aruba/Barbados) circuits. The Mediterranean is the second-largest hub, primarily operating from May to October, focusing on "Western" (Italy/Spain/France) and "Eastern" (Greece/Turkey/Croatia) history. Alaska is a massive seasonal market from May to September, famous for glacier viewing and wildlife. The Northern Europe/Baltic region offers cultural "capital hopping" (Norway/Denmark/Sweden), while the South Pacific and Australia region is growing rapidly for winter sun. Additionally, River Cruises in Europe (Rhine/Danube) and Asia (Mekong/Ganges) represent a specialized but major sector. In 2026, the Middle East (Persian Gulf) has also emerged as a significant winter destination, with major investments in ports like Doha, Abu Dhabi, and Dubai to attract "sun-seekers" from Europe.