THE CRUISE OPERATOR. Cruises around the world and in the rivers of Europe, Russia and China. Find your holiday, browse the offers and discover the elegance, the style and comfort of all our ships. Top Cruises is GSA of important shipping lines such as: • A-Rosa • Louis Cruises • Pullmantur Cruises • Regent Seven Seas Cruises • Viking Cruise Rivers and preferred partner of CROISIEUROPE, Holland America Line, Hurtigruten, Silversea, Star Clippers. Top Cruises also sells Norwegian Cruise Lines cruises and Caribbean cruises of Carnival Cruise Lines.