a redeveloped industrial area, that now is mostly residential, in addition to hosting the Copenhagen Business School. After Lindevang, the line dives into the tunnel that it is follows through the city center. At Fasanvej is another campus of the Copenhagen Business School. Frederiksberg serves the center of the municipality, that in addition to many public offices and cultural facilities, serves the University of Copenhagen's Frederiksberg Campus and another campus of the Copenhagen Business School. The station is located in both fare zone 1 and 2. Frederiksberg became a transfer station to M3 when the City Circle Line was opened on 29 September 2019. Forum is the last station in Frederiksberg Municipality, but located only a few blocks from the Copenhagen borough of Nørrebro. The Forum area is a residential area from the 1930s and 1940, built in functionalism, and hosts the Royal Danish Academy of Music. Nørreport lies within Indre By—the city center of Copenhagen. It is the main intersection with DSB's intercity and regional trains, as well as the S-train, serving lines A, B, C, E and H. Kongens Nytorv lies at the heart of the commercial and cultural center of Copenhagen. When the City Circle Line opened, the station serves as the transfer to lines M3 and M4. Christianshavn is located on an island, a former navy base that has been redeveloped into residential and commercial mix. It is the last station served by both lines, with M1 branching off towards Islands Brygge. Islands Brygge is the first station to lay within the redeveloped area of Ørestad. Located in the borough of Amager Vest, it is located adjacent to the Faculty of Humanities of the University of Copenhagen and the IT University of Copenhagen. The station is the last located underground. DR Byen is located at the southern end of the campus. It is named for DR Byen, the headquarters of the national broadcaster DR. Copenhagen Concert Hall is located adjacent to the station. Sundby is located close to a large recreational area to the west, a residential to the east and the psychiatric division of Amager Hospital. Bella Center is located in a traditional housing area, but is also adjacent to Scandinavia's largest convention center, Bella Center. Ørestad is located in the heart of the new urban development area. In addition to numerous corporate offices and educational institutions, the area hosts Field's, the Nordic Countries' largest