Eastern Europe is most commonly made up of the countries of Poland, Croatia, Lithuania, Latvia, the Czech Republic, Hungary, Romania, Moldova, Estonia, Ukraine, Belarus, Serbia, Montenegro, Slovenia, Slovakia, Bulgaria, Bosnia and Herzegovina, Albania, Kosovo, and Macedonia. Some listings even include Russia.

It wasn’t always easy to access Eastern Europe, but you can discover these countries with river cruising and some ocean cruises for a fixed, low price.

One of the most popular ways to see Eastern Europe is on Viking River Cruises. This fleet offers many ships and itineraries on the Danube River. On an itinerary like this, you’ll visit beautiful ports like Bucharest, Belgrade, and Budapest.