U by Uniworld is a river cruise company that offers a unique experience designed for travelers ages 21 to 45. Here's what you need to know about U by Uniworld's river cruises, ships, destinations, itineraries, and onboard amenities and entertainment:

1. Ships: U by Uniworld operates two ships, The A and The B, which are both modern and stylish vessels with a maximum capacity of 120 passengers. The ships are designed with a focus on providing a hip and modern travel experience, with amenities such as rooftop lounges, onboard dining, and an Instagram wall.

2. Destinations: U by Uniworld offers river cruises in a variety of destinations throughout Europe, including the Rhine, Danube, Seine, and Main rivers. They offer itineraries that visit popular destinations such as Amsterdam, Paris, and Vienna, as well as lesser-known destinations such as Strasbourg and Nuremberg.

3. Itineraries: U by Uniworld's river cruise itineraries are designed to provide a unique and immersive experience with a focus on cultural and scenic highlights. They often include guided tours of local attractions, such as museums, galleries, and landmarks, as well as onboard parties and events. U by Uniworld also offers a range of optional excursions and activities, such as bike tours, wine tastings, and cooking classes.

4. Onboard Amenities and Entertainment: U by Uniworld's river cruise ships offer a range of unique amenities and entertainment, such as silent discos, mixology classes, and a fitness center. They also feature comfortable cabins with premium bedding and an en-suite bathroom. The company provides attentive and personalized service throughout the cruise, ensuring that guests have a fun and memorable experience.

Overall, U by Uniworld offers a fun and unique river cruise experience designed specifically for younger travelers. Their itineraries and destinations offer a mix of cultural, scenic, and historical experiences, making them a popular choice for travelers looking for a modern and social river cruise experience.