Brno is a hamlet in Semily District, in the Liberec Region, Czechia. Brno lies in the Giant mountains. It has 9 inhabitants. The nearest city is Jablonec nad Nisou, 21 km to the west. Among the landmarks around are Vang Stave Church (19.5 km), Trosky Castle (27 km) and Valdštejn Castle (27 km). Among the natural features are Przełęcz Szklarska (12.4 km) and Mumlava Waterfall (7.0 km).