| Niwa | |
| Settlement Type: | Village |
| Total Type: | |
| Subdivision Type: | Country |
| Subdivision Type1: | Voivodeship |
| Subdivision Name1: | Subcarpathian |
| Subdivision Type2: | County |
| Subdivision Name2: | Tarnobrzeg |
| Subdivision Type3: | Gmina |
| Subdivision Name3: | Grębów |
| Coordinates: | 50.5583°N 21.8928°W |
| Pushpin Map: | Poland |
| Pushpin Label Position: | bottom |
Niwa is a village in the administrative district of Gmina Grębów, within Tarnobrzeg County, Subcarpathian Voivodeship, in south-eastern Poland.[1] It lies approximately 3km (02miles) south-east of Grębów, 160NaN0 east of Tarnobrzeg, and 590NaN0 north of the regional capital Rzeszów.