Langen, Hesse
| Langen, Hesse   | |
|---|---|
| View of the old town | |
| Location of Langen, Hesse   within Offenbach   district | |
| Coordinates: 49°59′N 8°40′E / 49.983°N 8.667°E | |
| Country | Germany | 
| State | Hesse | 
| Admin. region | Darmstadt | 
| District | Offenbach | 
| Government | |
| • Mayor (2020–26) | Jan Werner (Ind.) | 
| Area | |
|  • Total | 29.12 km2 (11.24 sq mi) | 
| Elevation | 143 m (469 ft) | 
| Population  (2023-12-31) | |
|  • Total | 38,278 | 
| • Density | 1,300/km2 (3,400/sq mi) | 
| Time zone | UTC+01:00 (CET) | 
| • Summer (DST) | UTC+02:00 (CEST) | 
| Postal codes | 63225 | 
| Dialling codes | 06103 | 
| Vehicle registration | OF | 
| Website | www.langen.de | 
Langen is a town of roughly 39,000 in the Offenbach district in the Regierungsbezirk of Darmstadt in Hesse, Germany. The town is between Darmstadt and Frankfurt am Main and part of the Frankfurt Rhein-Main urban area. Langen is headquarters to Deutsche Flugsicherung (German air traffic control), and is also home to the Paul-Ehrlich-Institut, a Federal institute for the evaluation and supervision of sera and vaccines in Germany.