Viking this week is celebrating the start of its 2024 river season in Europe, as the award-winning Viking Longship® fleet begins sailing itineraries throughout the region. Designed specifically for European waterways, the company’s river fleet of sister ships, which host 190 or fewer guests, sail a variety of itineraries on the Rhine, Main, Danube, Seine, Rhône, Douro, Moselle and Elbe rivers.