Hamburg Hauptbahnhof (abbrev. Hamburg Hbf or Hambg Hbf) is the main railway station for the German city of Hamburg and is classified by Deutsche Bahn as a category 1 railway station. It was opened in 1906 to replace 4 terminal stations. Hamburg Hauptbahnhof is operated by DB Station&Service AG. With an average of 480,000 passengers a day, the railway station is the busiest in Germany and after the Gare du Nord in Paris, the second busiest in Europe.