| Official Name: | Prostynia |
| Settlement Type: | Village |
| Subdivision Type: | Country |
| Subdivision Type1: | Voivodeship |
| Subdivision Name1: | Lower Silesian |
| Subdivision Type2: | County |
| Subdivision Name2: | Legnica County |
| Subdivision Type3: | Gmina |
| Subdivision Name3: | Krotoszyce |
| Coordinates: | 51.1597°N 16.1261°W |
| Pushpin Map: | Poland |
Prostynia is a village in the administrative district of Gmina Krotoszyce, within Legnica County, Lower Silesian Voivodeship, in south-western Poland.[1]