Carnival is a global cruise company and one of the largest vacation companies in the world. Its portfolio of cruise brands includes Carnival Cruise Lines, Holland America Line, Princess Cruises and Seabourn (North America); P&O Cruises and Cunard (United Kingdom); AIDA Cruises (Germany); Costa Cruises (Southern Europe); Iberocruceros (Spain); and P&O Cruises (Australia). They offer a wide range of holiday and vacation products to a customer base that is broadly varied in terms of cultures, languages and leisure-time preferences. It also owns Holland America Princess Alaska Tours in Alaska and the Canadian Yukon. It has 10 million guests annually.