18 nights · Czechia · River cruise · Departs Prague · Visiting Regensburg, Passau, Melk, Vienna, Bratislava, Budapest, Vukovar, Belgrade, Iron Gate, Vidin, Ruse, Bucharest · Aboard Uniworld on the SS Marlene
Image courtesy of Uniworld ©
This river cruise sails the Danube, departing Prague.
| Cruise line | Uniworld |
|---|---|
| Ship | SS Marlene |
| Duration | 18 nights |
| Port calls | 13 |
| Departures | 1 sailings |
| From fare | $8,549 per person |
| Year built | 2027 |
| Guests | 154 |
| Cabins | 77 |
| Crew | 57 |
| Length | 135 m |
| Beam | 12 m |
| Cruising speed | 12.0 kn |
Prague is best explored on foot, where Gothic spires, Baroque façades and quiet lanes reveal the city’s layered past. Cross Charles Bridge early, before the crowds, then climb towards Prague Castle for sweeping views over the Vltava. In Old Town Square, the Astronomical Clock draws visitors at the hour. Leave time for a riverside café and a measured look at a city that wears its history in daily life.
Regensburg rewards a day on foot, with a remarkably intact medieval centre set beside the Danube. Cross the 12th-century Stone Bridge, then follow narrow lanes to the Gothic cathedral and the Old Town Hall. Roman foundations, merchant houses and riverside cafés reveal a city shaped by two millennia of trade. The UNESCO-listed centre feels lived in, not staged, and its compact scale leaves time for a Bavarian lunch.
Passau sits where the Danube, Inn and Ilz meet, their contrasting waters framing one of Bavaria’s most handsome old towns. Walk its baroque lanes to St Stephen’s Cathedral, famed for its historic organ. From the fortress of Veste Oberhaus, rooftops and rivers unfold in a memorable view. Passau rewards a leisurely call: explore on foot, pause beside the water, and watch three waterways shape the city’s character.
Melk stands at the western end of Austria’s Wachau, a UNESCO-listed Danube valley. Its vineyards, apricot orchards and medieval towns make the river journey especially rewarding. High above the water, Melk Abbey commands attention with its baroque church, imperial rooms and celebrated library. Founded as a Benedictine monastery in 1089, it remains active and ranks among Austria’s most memorable cultural landmarks.
Arrive in Vienna by river and give the city more than a passing glance. Its imperial centre rewards a slow walk, from St Stephen’s Cathedral to the grand Ringstrasse boulevards. Set aside time for Schönbrunn Palace, once the Habsburgs’ summer residence, or choose the Kunsthistorisches Museum for its remarkable collections. Then take a seat in a traditional coffeehouse; in Vienna, coffee and cake are part of the city’s daily ritual.
Bratislava rewards a day ashore with a walkable old town, a lively Danube waterfront and a castle above the river. Explore the lanes around Michael’s Gate, then climb to Bratislava Castle for wide views across the city and beyond. Pause at a café terrace before following the riverside promenade. Slovakia’s capital is compact, making its historic centre easy to discover on foot.
Budapest makes a memorable arrival, with the Danube dividing hilly Buda from lively, level Pest. From the river, the Hungarian Parliament’s Gothic Revival façade commands attention, especially after dark. Cross the Chain Bridge to explore Castle Hill, or stay in Pest for cafés, markets, and celebrated thermal baths. Allow time to linger: Budapest’s pleasures are best discovered on foot, over a long lunch, and beside the water.
Vukovar sits where the Vuka meets the Danube, in Croatia’s quiet eastern corner. Its streets reveal an elegant Baroque past alongside the scars of the 1991 siege, most powerfully at the Water Tower. Visit the restored Eltz Manor, now home to the Vukovar City Museum, then follow the riverfront. Nearby Vučedol offers a remarkable window into a prehistoric culture that flourished here five millennia ago.
Belgrade stands where the Sava meets the Danube, a strategic crossroads shaped by centuries of conquest and commerce. From the riverfront, Kalemegdan Fortress commands wide views over both waterways and the city’s layered skyline. Below it, cafés, markets and pedestrian streets reveal a capital that feels energetic, not polished for visitors. Come ashore for history, strong coffee and a distinctly Balkan pace; Belgrade rewards those who explore beyond the main square.
The Iron Gates mark where the Danube cuts between Serbia and Romania through a dramatic series of gorges. From the water, limestone cliffs and wooded hills crowd the channel. Golubac Fortress guards the Serbian bank, while Romania’s immense Decebalus carving rises above the river. Nearby, Lepenski Vir preserves traces of a prehistoric settlement beside the Danube. Here, ancient history meets the raw power of Europe’s great river.
On Bulgaria’s northwestern edge, Vidin faces Romania across the broad Danube. Begin at Baba Vida, a remarkably preserved medieval fortress whose towers command the river. In the old town, the imposing St. Dimitar Cathedral and Ottoman-era buildings reveal layers of Bulgarian history. Walk the riverside promenade as vessels pass along Europe’s great waterway. Vidin also offers a gateway to the Belogradchik Rocks, about 50 kilometres south.
Ruse is Bulgaria’s grand Danube city, where elegant nineteenth-century façades give the streets a distinctly European air. Start at Svoboda Square, framed by cafés and the striking Monument of Liberty, then explore the Regional Historical Museum. Ruse also makes a rewarding base for visiting the UNESCO-listed rock-hewn churches of Ivanovo, a short drive inland. After sightseeing, settle beside the river and watch the Danube carry the day downstream.
Bucharest is Romania’s capital, where Belle Époque façades stand beside broad boulevards and stark communist-era buildings. Start along Calea Victoriei, then explore the Old Town’s lanes, churches, cafés and 19th-century landmarks. Visit the Romanian Athenaeum, a celebrated concert hall, and the Palace of Parliament, a vast monument to the communist era. Allow time for a meal: Romanian cooking pairs well with the city’s lively café culture.
Published September 17, 2026
Last updated October 3, 2026
Author: J. Richard
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