Srní is a village in Klatovy District, in the Plzeň Region, Czechia. Srní lies at 858 m above sea level, in the Bohemian Forest mountains. It has 270 inhabitants (2024). The nearest city is Písek, 57 km to the east. Near the border: Germany, 7.4 km. Among the landmarks around are Kašperk Castle (10.6 km), Rabí Castle (24 km) and Castle Velhartice (21 km). Among the natural features are Sudslavická jeskyně (23 km) and Prameny Vltavy (13.8 km).