Vojens is an urban Settlement in Haderslev Municipality, in the region of Southern Denmark, Denmark. Vojens lies at 42 m above sea level. It has 7,387 inhabitants (2026). The nearest city is Haderslev, 11.9 km to the east. Among the landmarks around are Haderslev Cathedral (11.9 km), Immervad Bridge (10.4 km) and Ribe Cathedral (36 km). Among the natural features are Knivsbjerg (15.3 km).