Unter den Linden is a historic boulevard in Berlin, stretching from the Brandenburg Gate to the site of the former Berlin Palace. Named after the linden trees that line its median and sidewalks, it has been a central part of Berlin's urban landscape since the 17th century. This grand avenue has witnessed many significant events in German history and is home to several important sites, including the Humboldt University and the State Opera. Today, Unter den Linden remains a vibrant cultural hub, connecting the past and present of Germany's capital city.