The BahnCard 25 is a discount card offered by Deutsche Bahn, Germany's national railway company. It provides a 25% discount on standard ticket prices for both regional and long-distance trains. The card is available for adults, children, and seniors, making it a popular choice for frequent travelers. In addition to the ticket discount, the BahnCard 25 also offers benefits such as reduced fares for group travel and discounts on certain partner services. The card is valid for one year and can be purchased online or at train stations, making it convenient for users to save on their journeys.