Slovenj Gradec is a town in northern Slovenia. It is the centre of the Urban Municipality of Slovenj Gradec. It is part of the historical Styria region, and since 2005 it has belonged to the NUTS-3 Carinthia Statistical Region. It is located in the Mislinja Valley at the eastern end of the Karawanks mountain range, about 45 km (28 mi) west of Maribor and 65 km (40 mi) northeast of Ljubljana.

Styria, also Slovenian Styria or Lower Styria, is a traditional region in northeastern Slovenia, comprising the southern third of the former Duchy of Styria. The population of Styria in its historical boundaries amounts to around 705,000 inhabitants, or 34.5% of the population of Slovenia. The largest city is Maribor.