|Subdivisions||Garstedt, Harksheide, Friedrichsgabe, Glashütte, Mitte|
|o Mayor||Elke Christina Roeder (SPD)|
|o Total||58.1 km2 (22.4 sq mi)|
|Elevation||36 m (118 ft)|
|o Density||1,400/km2 (3,500/sq mi)|
|Time zone||UTC+01:00 (CET)|
Norderstedt is a city in Germany and part of the Hamburg Metropolitan Region (Metropolregion Hamburg), the fifth largest city (with approximately 80,000 inhabitants) in the federal state of Schleswig-Holstein, belonging to the district Segeberg.
Norderstedt was created by the merger of four villages on 1 January 1970: the villages of Friedrichsgabe and Garstedt, both belonging to the district Pinneberg, and the villages of Glashütte and Harksheide, both belonging to the district Stormarn. The newly created city was assigned to the district Segeberg.
Norderstedt is served by the Autobahn (federal motorway) A7/E45 via exit number 23 Hamburg-Schnelsen-Nord (Norderstedt-Süd), located on Hamburg territory, in the south, and exit number 21 Quickborn in the north. Major thoroughfares are the federal highways B432 in west-east and B433 in north-south directions.
Norderstedt does not have a Deutsche Bahn railway station. A north-south railway service with small commuter trains runs between Ulzburg Süd in the north and Norderstedt Mitte in the south. Norderstedt Mitte is also the terminus of the Hamburg underground line U1. Travel time from Hamburg Central Station to Norderstedt Mitte is 40 minutes. The other two stations of the U1 line are Richtweg and Garstedt.
Norderstedt is covered by the postal codes 22844, 22846, 22848, 22850 and 22851. The UN LOCODE abbreviation for Norderstedt is DENOT.