Fascinating Vietnam, Cambodia & the Mekong River (Northbound)

Oltenița is a historic Danubian port city in southern Romania where the River Argeș meets the Danube, offering visitors Chalcolithic archaeological treasures at the Gumelnița site and exceptional riverside dining featuring traditional Wallachian river fish cuisine. A must-do experience is savoring *saramură de crap* — Danube carp grilled over open flame — at a waterfront table, followed by a day excursion to the medieval citadels of Transylvania. The best season to visit is late spring through early autumn, when the Danube promenade comes alive and river cruise itineraries from Avalon Waterways, CroisiEurope, and Seabourn call at this understated gem of Muntenia.

Ruse, Bulgaria's elegant Danube gateway, surprises with a Belle Époque city centre of Austro-Hungarian grandeur — neoclassical facades, ornate fountains, and a Liberty Monument that would not look out of place in Vienna. The city serves as the gateway to the spectacular Rusenski Lom Nature Park, whose limestone canyon shelters medieval rock-carved monasteries of eerie beauty. The remarkable Basarbovo Monastery, still inhabited by monks, clings to cliffs above the turquoise river. Local wineries produce distinguished Mavrud and Cabernet from the nearby Danube plains. May through September offers the most pleasant temperatures for exploration.

Vidin is a captivating port town on the Danube River known for its rich history, eclectic architecture, and vibrant local culture. Must-do experiences include exploring the Baba Vida Fortress and savoring local dishes like **kavarma** and **lutenitsa**. The best time to visit is during the spring and autumn months when the weather is pleasant and the local markets are bustling with activity.

Donji Milanovac is a tranquil Serbian town on the banks of Lake Đerdap, nestled within the dramatic Iron Gates gorge of the Danube and surrounded by pristine national parkland. Visitors should not miss the Lepenski Vir archaeological site, home to seven-thousand-year-old Mesolithic sculptures, and the restored medieval fortress at nearby Golubac. The ideal time to cruise through the Iron Gates is from late May through September, when long daylight hours illuminate the gorge walls and riverside terraces invite lingering over fresh riblja čorba and local šljivovica.

Belgrade, the 'White City' rebuilt at least forty times at the confluence of the Danube and Sava rivers, surprises every visitor with its raw, uncurated vitality — a capital that wears its turbulent history lightly while embracing the present with irresistible energy. The Kalemegdan Fortress, fortified for over two thousand years, offers the most dramatic river panorama on the entire Danube; below it, the Skadarlija cobblestone quarter fills nightly with kafana musicians and the aromas of Serbian rakija and roasted meats. Belgrade's nightlife — centered on the floating river clubs called splavovi — is genuinely legendary in Europe. Spring and early autumn offer the most comfortable conditions; the Iron Gate gorge is two hours downstream by river.

Austria's third city has accomplished one of Europe's most convincing urban transformations — reinventing itself from industrial centre to cultural powerhouse, a journey recognised in 2009 when it was named European Capital of Culture. The Ars Electronica Center, a museum of digital art and technology that glows with LED light across the Danube each evening, epitomises Linz's forward-looking identity. Yet the city's Roman roots, its baroque Hauptplatz (one of Austria's finest main squares), and its proximity to the Wachau Valley anchor it firmly in history. The Upper Austrian cuisine — particularly Linzer Torte, the world's oldest-documented cake recipe — is exceptional. Linz is most agreeable May through September.

Châu Đốc is a mystical border town where the Mekong meets Cambodia, combining Vietnamese, Cham Muslim, and Khmer Buddhist cultures around the pilgrimage mountain of Sam (Núi Sam). Must-do experiences include visiting Sam Mountain's pagodas, touring floating fish farms, and tasting the town's famous bún cá turmeric fish noodle soup. November through April's dry season is most comfortable; the flood season reveals the delta's full hydraulic drama.

Novi Sad — the "Serbian Athens" — unfolds along the left bank of the Danube beneath the commanding walls of the Petrovaradin Fortress, a Habsburg military masterpiece whose underground tunnel labyrinth and hilltop clock tower (with hands reversed, to confuse enemy gunners) make for one of Europe's most unusual fortress visits. The city's elegant pedestrian street, the Zmaj Jovina, is lined with 19th-century Habsburg architecture that rewards a leisurely afternoon, while the Serbian cultural renaissance of the same era left behind museums, galleries, and coffee house traditions that endure today. In July, the EXIT music festival transforms the fortress into one of Europe's most storied outdoor stages. Visit May through September for the finest weather.

Ilok, a historical port in Croatia, enchants visitors with its medieval architecture, serene riverfront, and vibrant local culture. Must-do experiences include savoring traditional dishes like "čobanac" and sampling the exquisite local wine, "Traminac." The best time to visit is during the late spring or early fall, when the weather is pleasant and the vineyards are lush.

Mohács is a historically significant Hungarian town on the Danube, renowned for the pivotal 1526 battle and the UNESCO-listed Busójárás winter festival featuring dramatic masked processions. Visitors should not miss the fiery halászlé fisherman's soup prepared with fresh Danube catch, and a wine excursion to the nearby Villány appellation for world-class reds. The ideal season to visit is late spring through early autumn for warm riverside days, though February offers the unforgettable spectacle of Busójárás.