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 after the historic Nørreport city gate, at the original location of which it is located. It is one of the busiest railway stations 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. The station is located on the Boulevard Line of the S-train and main line network. Several bus lines run through and start from Nørreport above ground.

M2 is a line of the Copenhagen Metro, colored yellow on the map. It runs from Vanløse to Lufthavnen through the center of Copenhagen, sharing track with the M1 from Vanløse to Christianshavn. The line was built along with M1 as part of the redevelopment of Ørestad. The principle of the line was passed in 1992, and construction commenced in 1998. The line opened in several stages between 2002 and 2007. It is owned by Metroselskabet and operated by Metro Service, and operates with a headway between four and twenty minutes.