Nørreport Station is an S-train, metro and main line railway station in Copenhagen, Denmark. It is located in the district of Indre By, and is named for the historic Nørreport city gate, near the original location of which it is located. It is the busiest railway station in Denmark, serving 165,000 people daily. The entire station is underground, with three pairs of platforms: one for S-trains, one for main line trains and one for the metro.