Ten people died and others were injured in a suicide bombing this week at a major Istanbul tourist area, Sultanahmet Square.
Crystal Symphony's April 24 and May 1 sailings replace visits to Istanbul and Kuşadasi with destinations in Greece.
'The safety and peace of mind of our guests are our primary concerns, and we do not take any risks with either,' Crystal ceo and president Edie Rodriguez said. 'The itinerary changes will allow our guests to continue with their planned vacations in the same standard of excellence and luxury, without the added worry of security in a particular destination.'
Turkish ports of call scheduled for April and November aboard Crystal’s new yacht, Crystal Esprit, will also be changed, though the new itineraries have yet to be finalized.
Crystal Symphony's April 24 seven-day voyage round-trip Piraeus adds an overnight there and in Navplion, plus calls at Souda Bay/Chaina and Hydra.
The May 1 cruise, 12 days, will now start from Piraeus with an overnight stay, and Patmos and Rhodes were added to the itinerary.