Dahlem, North Rhine-Westphalia
| Dahlem  | |
|---|---|
| Location of Dahlem  within Euskirchen   district | |
| Coordinates: 50°23′N 06°33′E / 50.383°N 6.550°E | |
| Country | Germany | 
| State | North Rhine-Westphalia | 
| Admin. region | Köln | 
| District | Euskirchen | 
| Government | |
| • Mayor (2020–25) | Jan Lembach (CDU) | 
| Area | |
|  • Total | 95.18 km2 (36.75 sq mi) | 
| Elevation | 539 m (1,768 ft) | 
| Population  (2023-12-31) | |
|  • Total | 4,418 | 
| • Density | 46/km2 (120/sq mi) | 
| Time zone | UTC+01:00 (CET) | 
| • Summer (DST) | UTC+02:00 (CEST) | 
| Postal codes | 53949 | 
| Dialling codes | 02447 | 
| Vehicle registration | EU | 
| Website | www.dahlem.de | 
Dahlem is a municipality in the district of Euskirchen, in the state of North Rhine-Westphalia, Germany. It has the lowest population density and population of all the state's municipalities. It is located in the Eifel hills, approx. 35 km south-west of Euskirchen. The small medieval town Kronenburg is part of the municipality.