Dillenburg, officially Oranienstadt Dillenburg, is a town in Hesse's Gießen region in Germany. The town was formerly the seat of the old Dillkreis district, which is now part of the Lahn-Dill-Kreis.

The German Timber-Frame Road is a German tourist route leading from the river Elbe in the north to the Black Forest and Lake Constance in the south. Numerous cities and towns each with examples of the vernacular timber-framed houses traditional to the German states are situated along the road. The total length of the route is nearly 3,000 km (1,864 mi).