It was formed on 1 January 2006 by merging the former municipalities of Amerongen, Doorn, Driebergen-Rijsenburg, Leersum, and Maarn.

All the former municipalities that merged into Utrechtse Heuvelrug are situated on the southern part of this ridge.

In this southern part lies the Utrechtse Heuvelrug National Park, that covers 6,000 ha (15,000 acres) and was established in 2003.

The municipality of Utrechtse Heuvelrug consists of the following cities, towns, villages and/or districts: Amerongen, Darthuizen, Doorn, Driebergen-Rijsenburg, Leersum, Maarn, Maarsbergen, Overberg.

Dutch topographic map of the municipality of Utrechtse Heuvelrug, June 2015 Railway stations: Driebergen-Zeist, Maarn