| Lasek | |
| Settlement Type: | Village |
| Total Type: | |
| Subdivision Type: | Country |
| Subdivision Type1: | Voivodeship |
| Subdivision Name1: | Masovian |
| Subdivision Type2: | County |
| Subdivision Name2: | Otwock |
| Subdivision Type3: | Gmina |
| Subdivision Name3: | Celestynów |
| Pushpin Map: | Poland |
| Coordinates: | 52.05°N 42°W |
Lasek is a village in the administrative district of Gmina Celestynów, within Otwock County, Masovian Voivodeship, in east-central Poland.[1] It lies approximately 3km (02miles) west of Celestynów, 100NaN0 south-east of Otwock, and 310NaN0 south-east of Warsaw.