To find out a good route, you need specific dates for your trip.

There are cruise options from Istanbul, however, as a rule, they last from a week or more, there are not so many shorter routes. In addition, Istanbul is an additional port of embarkation, that is, a limited number of cabins can be booked from this port and take care of booking in advance.

If you talk about the routes themselves, then cruises from Istanbul travel to the Greek islands, visit Turkish ports; there are options for routes along the Black Sea, as well as along the Adriatic and Mediterranean seas