Splž is a village in Klatovy District, in the Plzeň Region, Czechia. Splž lies at 553 m above sea level, at the foot of the Bohemian Forest mountains. The nearest city is Plzeň, 51 km to the north. Among the landmarks around are Švihov Castle (22 km), Castle Velhartice (11.6 km) and Kašperk Castle (27 km). Among the natural features are Orlovická hora (12.5 km) and Nový Herštejn (19.6 km).