| Siestrzeń | |
| Settlement Type: | Village |
| Total Type: | |
| Subdivision Type: | Country |
| Subdivision Type1: | Voivodeship |
| Subdivision Name1: | Masovian |
| Subdivision Type2: | County |
| Subdivision Name2: | Grodzisk Mazowiecki |
| Subdivision Type3: | Gmina |
| Subdivision Name3: | Żabia Wola |
| Coordinates: | 52.05°N 63°W |
| Pushpin Map: | Poland |
| Pushpin Label Position: | bottom |
Siestrzeń is a village in the administrative district of Gmina Żabia Wola, within Grodzisk Mazowiecki County, Masovian Voivodeship, in east-central Poland.[1] It lies approximately 10km (10miles) south-east of Grodzisk Mazowiecki and 270NaN0 south-west of Warsaw.