Carnival Corporation & Plc operates as a leisure travel company. The company's ships visit approximately 700 ports under the Carnival Cruise Line, Princess Cruises, Holland America Line, Seabourn, P&O Cruises (Australia), Costa Cruises, AIDA Cruises, P&O Cruises (UK), and Cunard brand names. It also provides vacations to various cruise destinations, as well as owns and operates hotels, lodges, glass-domed railcars, and motor coaches. The company sells its cruises primarily through travel agents and tour operators. It operates in the United States, Canada, Continental Europe, the United Kingdom, Australia, New Zealand, Asia, and internationally. As of January 28, 2020, the company operated 105 ships with 254,000 lower berths. Carnival Corporation & Plc was incorporated in 1972 and is headquartered in Miami, Florida.