Østermark is a village in Herning Municipality, in the region of Central Denmark, Denmark. Østermark lies at 51 m above sea level. The nearest city is Herning, 9.5 km to the southwest. Among the landmarks around are Herning Museum of Contemporary Art (8.4 km), Viborg Cathedral (35 km) and Jens Langknivs hule (15.5 km). Among the natural features are Store Hørbyhøj (21 km) and Himmelbjerget (39 km).