Carnival is the largest global cruise company, with 92 ships in service at the end of fiscal 2023. 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 nearly 13 million guests in 2019, prior to covid-19, a level it reached again in 2023.