The Carnival corporation owns the following cruise lines (as of 8/1/2013):
AIDA
Carnival
Costa
Cunard
Holland America Line
Ibero Cruceros
P&O Cruises
P&O Cruises Australia
Princess
Carnival Cruise Lines. They also own Costa Cruise line and Princess Cruises.
Princess Cruises is owned by Carnival Corporation & PLC. They own several cruise lines such as Carnival Cruise Lines, Holland America, P&O Cruises and several others.
No, and it wouldn't be Carnival Cruise lines, it would be Carnival Corporation Plc. which is the company that owns cruise lines like Cunard, Holland America, and Princess Cruises. Royal Caribbean International is their own company. Them and Carnival Corporation Plc. are the two most competitive cruise companies in the world.
The Cunard Line doesn't have its own ticker symbol as it is a wholly-owned subsidiary of Carnival Cruise Lines. Carnival's ticker is CCL.
Carnival Air Lines ended in 1998.
Carnival Cruise Lines's population is 3,800.
Carnival Cruise Lines was created in 1972.
Carnival Air Lines was created in 1988.
costa,princess,p and o cruises,
The Carnival corporation owns the following cruise lines (as of 8/1/2013): AIDA Carnival Costa Cunard Holland America Line Ibero Cruceros P&O Cruises P&O Cruises Australia Princess
Costa Concordia is owned by Carnival Corporation which also owns Carnival Cruise Lines.
There are many ways one can book a cruise on Carnival Cruse lines. One can book a cruise on Carnival Cruise lines on at popular on the web sources such as the official Carnival Cruise lines website, Travelocity, and Orbitz.