Javorek is a village in Semily District, in the Liberec Region, Czechia. Javorek lies at 475 m above sea level, at the foot of the Giant mountains. It has 17 inhabitants. The nearest city is Jablonec nad Nisou, 30 km to the west. Among the landmarks around are Trosky Castle (24 km), Augustinian monastery in Vrchlabí (5.9 km) and Valdštejn Castle (27 km). Among the natural features are Przełęcz Karkonoska (19.6 km) and Mumlava Waterfall (20 km).