Carnival Corporation & plc (NYSE:_CCL, CUK,and LSE:_CCL) is a British_American company, and the world's largest cruise ship operator. Comprising Carnival plc, which can trace its origin back to the Peninsular and Oriental Steam Navigation Company of the early 19th century, the company has a claim to be the world's oldest established cruise ship operator, with P&O having introduced the world's first passenger ships in 1844. Carnival Corporation & plc is a dual listed company, with headquarters at Carnival House in Southampton, Hampshire, England and Carnival Place in the Miami suburb of Doral, Florida, USA. The constituent corporation and plc are separate listed companies and have different shareholder bodies, but they jointly own all the operating companies in the group.
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