The town lies in the Vulkaneifel, a part of the Eifel known for its volcanic history, geographical and geological features, and even ongoing activity today, including gases that sometimes well up from the earth.

Found from 2.5 to 3.5 km southeast of Daun’s town centre are the Dauner Maare, a group of three volcanic lakes separated almost wholly by only the walls of tuff between them.

Besides the main town, also called Daun (4,264 inhabitants), the municipal area also includes these outlying centres (Stadtteile) that were formerly self-administering municipalities: The first settlement in the area came as early as the 7th century BC by which time the Celts had settled the fortified basalt mountain in Daun.

One of the family’s ministeriales, Richardus de Duna, took over his former Lord’s name and even the coat of arms with the Daun fretting.

In 1712, the Electoral-Trier Amtshaus was built by the Elector of Trier and Archbishop Karl-Josef on the Burgberg ("Castle Mountain").

All public rail transport, however, ended in Daun more than a decade ago, although a two-hourly daytime service for tourists has been running in the summertime since 2005 on part of the Eifelquerbahn.

The Armorial Wijnbergen, dating from c. 1270 - c. 1285, includes Ferry II of Daun, lord of Oberstein (blazon: Argent fretty sable).

[3] Daun fosters partnerships with the following places: A maar is a broad-low relief volcanic crater often filled with rainwater.