Five days in Berlin is absolutely not too long; in fact, many travelers find it to be the "sweet spot" for a first-time visit in 2026. Berlin is a sprawling, decentralized city with a complex history and a diverse array of neighborhoods, each with its own distinct identity. A five-day itinerary allows you to cover the major historical landmarks like the Brandenburg Gate, the Reichstag, and the East Side Gallery without feeling rushed. It also grants you the luxury of spending a full day on Museum Island, a UNESCO World Heritage site, and another day taking a poignant trip to the Sachsenhausen Concentration Camp Memorial or the opulent Sanssouci Palace in nearby Potsdam. Beyond the history, five days gives you time to experience Berlin’s legendary "Kiez" culture in districts like Kreuzberg, Neukölln, or Prenzlauer Berg, where you can explore local markets, craft breweries, and world-class street art. For those who enjoy a slower pace or want to dive into the city's famous nightlife, five days is the minimum required to truly peel back the layers of Germany's vibrant capital.