Maršov is a village in Teplice District, in the Ústí nad Labem Region, Czechia. Maršov lies at 235 m above sea level, in the Ore mountains. It has 3,622 inhabitants. The nearest city is Teplice, 7.5 km to the southwest. Among the landmarks around are Střekov Castle (12.1 km), Duchcov Chateau (13.6 km) and Königstein Fortress (29 km). Among the natural features are Doubravská hora (5.1 km) and Větruše (10.8 km).