eastern europe exploration (2028) bucharest to prague | 25 days the ultimate danube voyage unfolds across nine breathtaking countries, stopping in nearly two dozen cities and villages along the way. each one with unique stories to tell. with multiple overnight... ships: s.s. emilie, s.s. helen countries: austria, bulgaria, croatia, czech republic, germany, hungary, romania, serbia, slovakia river: danube from $11,499* per person based on double occupancy. *from price based on april 22, 2028 itinerary. available on a limited number of staterooms. single supplement applies. view itinerary dates & pricing