Elmshorn
| Elmshorn   | |
|---|---|
| Bismarck School in Elmshorn | |
| Location of Elmshorn   within Pinneberg   district | |
| Coordinates: 53°45′7″N 9°39′04″E / 53.75194°N 9.65111°E | |
| Country | Germany | 
| State | Schleswig-Holstein | 
| District | Pinneberg | 
| Government | |
| • Mayor | Volker Hatje (Ind.) | 
| Area | |
|  • Total | 21.36 km2 (8.25 sq mi) | 
| Highest elevation | 21 m (69 ft) | 
| Lowest elevation | 0 m (0 ft) | 
| Population  (2023-12-31) | |
|  • Total | 51,486 | 
| • Density | 2,400/km2 (6,200/sq mi) | 
| Time zone | UTC+01:00 (CET) | 
| • Summer (DST) | UTC+02:00 (CEST) | 
| Postal codes | 25335, 25336, 25337 | 
| Dialling codes | 04121 | 
| Vehicle registration | PI | 
| Website | www.elmshorn.de | 
Elmshorn (German pronunciation: [ɛlmsˈhɔʁn] ⓘ; Low German: Elmshoorn) is a town in the district of Pinneberg in Schleswig-Holstein in Germany. It is 30 km north of Hamburg on the small river Krückau, a tributary of the Elbe, and with about 50,000 inhabitants is the sixth-largest town in the state of Schleswig-Holstein, Germany. It is the birthplace of writer and editor Hermann Schlüter (1851–1919), the mathematician Hermann Weyl (1885–1955) and the medievalist Heinz Woehlk (1944- ).