| Sielec | |
| Settlement Type: | Village |
| Total Type: | |
| Subdivision Type: | Country |
| Subdivision Type1: | Voivodeship |
| Subdivision Name1: | Masovian |
| Subdivision Type2: | County |
| Subdivision Name2: | Płońsk |
| Subdivision Type3: | Gmina |
| Subdivision Name3: | Czerwińsk nad Wisłą |
| Pushpin Map: | Poland |
| Coordinates: | 52.4167°N 41°W |
Sielec is a village in the administrative district of Gmina Czerwińsk nad Wisłą, within Płońsk County, Masovian Voivodeship, in east-central Poland.[1] It lies approximately 6km (04miles) north-east of Czerwińsk nad Wisłą, 250NaN0 south of Płońsk, and 500NaN0 north-west of Warsaw.