Kruh is a village in Semily District, in the Liberec Region, Czechia. Kruh lies at 426 m above sea level, 7.4 km from the Giant mountains. It has 507 inhabitants (2024). The nearest city is Jablonec nad Nisou, 28 km to the northwest. Near the border: Poland, 24 km. Among the landmarks around are Trosky Castle (18.5 km), Kost Castle (26 km) and Valdštejn Castle (22 km). Among the natural features are Staropacká hora (6.0 km) and Kozinec (7.3 km).