Vilémov is a hamlet in Semily District, in the Liberec Region, Czechia. Vilémov lies at 590 m above sea level, at the foot of the Giant mountains. The nearest city is Jablonec nad Nisou, 17.8 km to the west. Among the landmarks around are Trosky Castle (28 km), Vang Stave Church (22 km) and Valdštejn Castle (26 km). Among the natural features are Przełęcz Szklarska (9.5 km) and Mumlava Waterfall (4.8 km).