Dahlem
Municipality
Flag Coat of arms
Location of Dahlem within Euskirchen district
Dahlem Show map of Germany Dahlem Show map of North Rhine-Westphalia
Coordinates: 50°23′N 06°33′E / 50.383°N 6.550°E / 50.383; 6.550
Country	Germany
State	North Rhine-Westphalia
Admin. region	Köln
District	Euskirchen
Government
• Mayor (2020–25)	Jan Lembach[1] (CDU)
Area
• Total	95.18 km2 (36.75 sq mi)
Elevation	539 m (1,768 ft)
Population  (2021-12-31)[2]
• Total	4,361
• 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. It has the lowest population density and population of all municipalities of in the state of North Rhine-Westphalia, Germany. It is located in the Eifel hills, approx. 35 km south-west of Euskirchen. The small medieval town Kronenburg is part of the municipality.

Geography

Dahlem is located in the northern Eifel region in the High Fens – Eifel Nature Park between Blankenheim in the Northeast and Stadtkyll the southwest. The Kyll flows through the region from the Glaadtbach. The Heidenköpfe lie in the Ripsdorfer forest to the east.