Pruchnik is a rural town in Jarosław County, Subcarpathian Voivodeship, in south-eastern Poland. It is the seat of the administrative district call…Pruchnik is a rural town in Jarosław County, Subcarpathian Voivodeship, in south-eastern Poland. It is the seat of the administrative district called Gmina Pruchnik. It lies approximately 17 kilometres south-west of Jarosław and 39 km east of the regional capital Rzeszów.