See also: Olszew, Sokołów County.
| Olszew | |
| Settlement Type: | Village |
| Total Type: | |
| Subdivision Type: | Country |
| Subdivision Type1: | Voivodeship |
| Subdivision Name1: | Masovian |
| Subdivision Type2: | County |
| Subdivision Name2: | Grójec |
| Subdivision Type3: | Gmina |
| Subdivision Name3: | Goszczyn |
| Pushpin Map: | Poland |
| Coordinates: | 51.7833°N 70°W |
Olszew is a village in the administrative district of Gmina Goszczyn, within Grójec County, Masovian Voivodeship, in east-central Poland.[1] It lies approximately 7km (04miles) north of Goszczyn, 100NaN0 south of Grójec, and 500NaN0 south of Warsaw.