Iwonicz-Zdrój (German: Iwonitz - Bad, is a town in Poland, in Subcarpathian Voivodship, in Krosno County. It has 1,831 inhabitants (02.06.2009). It is located in the heartland of the Doły (Pits), and its average altitude is 410 metres above sea level, although there are some hills located within the confines of the city.