Rzeszów Town hall in Rzeszów Flag coat of arms Rzeszów (Ukrainian: Ряшiв, Latin: Resovia) is city in the south-east part of Poland in Subcarpathian Voivodeship with a population of 170,722 (2008). The city is located on the river Wislok. This short article about Europe can be made longer. You can help Wikipedia by adding to it. This short article about a place or feature can be made longer. You can help Wikipedia by adding to it.