| Olszewo-Grzymki | |
| Settlement Type: | Village |
| Total Type: | |
| Subdivision Type: | Country |
| Subdivision Type1: | Voivodeship |
| Subdivision Name1: | Masovian |
| Subdivision Type2: | County |
| Subdivision Name2: | Mława |
| Subdivision Type3: | Gmina |
| Subdivision Name3: | Stupsk |
| Pushpin Map: | Poland |
| Coordinates: | 53.0167°N 52°W |
Olszewo-Grzymki is a village in the administrative district of Gmina Stupsk, within Mława County, Masovian Voivodeship, in east-central Poland.[1] It lies approximately 6km (04miles) east of Stupsk, 160NaN0 south-east of Mława, and 950NaN0 north of Warsaw.