I would love to get comments on our planned (but not yet confirmed) itinerary:
arrive Durbrovnik - 1-2 days
ferry to Korcula - 4 days
leave Korcula, day trip to Hvar, continue to Split
Split 1 day/1 night - rent a car
drive to Lake Plitvice - late afternoon, night in park hotel, and most of following day (from what I have read, worth the drive)
then drive to either:
Premosten area (3 days)
OR
Trogir (3 days) (with day trips)
depart early morning flight from Split