Question: what are the decks on a cruise ship called?
Answer: Poop Deck: Originating from the Latin term for a vessel's stern-side – Puppis – the poop deck is located on the vessel's stern. ... 
Main Deck: As the name suggests, the main deck is the primary deck in any vessel. ... 
Upper Deck: The deck that covers the hull of the vessel from its fore to its aft is the upper deck.