Carnival Corporation & plc is a global cruise company and one of the largest vacation companies in the world. The company's portfolio of leading cruise brands includes Carnival Cruise Lines, Holland America Line, Princess Cruises and Seabourn in North America; P&O Cruises (UK), and Cunard in the United Kingdom; AIDA Cruises in Germany; Costa Cruises in Southern Europe; Iberocruceros in Spain; and P&O Cruises (Australia) in Australia.