Ploužnice is a village in Česká Lípa District, in the Liberec Region, Czechia. Ploužnice lies at 282 m above sea level. The nearest city is Česká Lípa, 16.9 km to the west. Among the landmarks around are Bezděz Castle (11.2 km), Grabštejn (25 km) and Lemberk Castle (15.9 km). Among the natural features are Horní Sedlo (21 km) and Velká Buková (4.8 km).