MSC Poesia and MSC Preziosa will still call in the Baltics, but with St Petersburg replaced with destinations such as Stockholm, Tallinn and Visby.
Grandiosa will now offer seven-night itineraries from its homeport of Kiel in Germany to the Norwegian Fjords. Preziosa and Poesia will also offer seven-night options in the region.
Grandiosa will call at Copenhagen before heading north to Norway to stop at the village of Hellesylt. It will then sail through Aurlandsfjord on the way to the port town of Alesund and Flam village.