Uldum is an urban Settlement in Hedensted Municipality, in the region of Central Denmark, Denmark. Uldum lies at 56 m above sea level. It has 1,414 inhabitants (2026). The nearest city is Vejle, 16.1 km to the south. Among the landmarks around are Jelling Heritage Site (14.8 km), Illerup Ådal (31 km) and Ravning Bridge (25 km). Among the natural features are Møllehøj (21 km) and Ejer Bavnehøj (21 km).