Oktoberfest, or Wiesn, is a 16-day festival held annually in Munich, Bavaria, Germany, running from late September to the first weekend in October. It is one of the most famous events in Germany and is the world's largest fair. The Oktoberfest is an important part of Bavarian culture, having been held since 1810. Other cities across the world also hold Oktoberfest celebrations, modeled after the Munich event.