Záhoří is a village in Semily District, in the Liberec Region, Czechia. Záhoří lies at 501 m above sea level, in the Giant mountains. It has 516 inhabitants (2024). The nearest city is Jablonec nad Nisou, 14.6 km to the northwest. Near the border: Poland, 20 km. Among the landmarks around are Trosky Castle (11.1 km), Kost Castle (16.7 km) and Valdštejn Castle (9.3 km). Among the natural features are Przełęcz Szklarska (25 km) and Mumlava Waterfall (22 km).