Grębów is a village located in the Subcarpathian Voivodeship in south-eastern Poland. It serves as the administrative seat of Gmina Grębów within Tarnobrzeg County.
The village functions as a railroad junction of secondary importance. The railway lines from this location branch into three directions: northwest toward Sandomierz, west toward Sobów, and east toward Stalowa Wola - Rozwadów.