Sádek is a village in Svitavy District, in the Pardubice Region, Czechia. Sádek lies at 543 m above sea level. It has 566 inhabitants (2024). The nearest city is Chrudim, 42 km to the northwest. Among the landmarks around are Pilgrimage Church of Saint John of Nepomuk (24 km), Pernštejn Castle (28 km) and Svojanov Castle (15.2 km). Among the natural features are Velký vrch (4.9 km) and Štarkov (7.5 km).