who owns p & o cruise lines
P&O Cruises is a British/American cruise line based at Carnival House in Southampton, England, operated by Carnival UK and owned by Carnival Corporation & plc.&O first introduced passenger services in 1844, advertising sea tours to destinations such as Gibraltar, Malta and Athens, sailing from Southampton. The forerunner of modern cruise holidays, these voyages were the first of their kind, and have led to P&O Cruises being recognised as the world's oldest cruise line.