Bremen, one of Germany's 16 federal states, is a city-state with a rich Hanseatic history. It's known for its distinctive town hall and the statue of Roland, both UNESCO World Heritage sites. The city's maritime tradition is reflected in its port, one of Germany's most important. Bremen hosts the headquarters of several major companies, including Airbus, making it a significant industrial center. Culturally, it's famous for the tale of the "Town Musicians of Bremen," which has become a symbol of the city.