Carnival is the largest global cruise company, with more than 90 ships in service at the end of fiscal 2024. Its portfolio of brands includes Carnival Cruise Lines, Holland America, Princess Cruises, and Seabourn in North America; P&O Cruises and Cunard Line in the United Kingdom; Aida in Germany; Costa Cruises in Southern Europe. It's currently folding its P&O Australia brand into Carnival. The firm also owns Holland America Princess Alaska Tours in Alaska and the Canadian Yukon. Carnival's brands attracted 14 million guests in 2024.