| Jadwisin | |
| Settlement Type: | Village |
| Total Type: | |
| Subdivision Type: | Country |
| Subdivision Type1: | Voivodeship |
| Subdivision Name1: | Masovian |
| Subdivision Type2: | County |
| Subdivision Name2: | Legionowo |
| Subdivision Type3: | Gmina |
| Subdivision Name3: | Serock |
| Coordinates: | 52.4789°N 21.0439°W |
| Pushpin Map: | Poland |
| Pushpin Label Position: | bottom |
| Population Total: | 1000 |
Jadwisin is a village in the administrative district of Gmina Serock, within Legionowo County, Masovian Voivodeship, in east-central Poland.[1] It lies approximately 5km (03miles) south-west of Serock, 130NaN0 north-east of Legionowo, and 300NaN0 north of Warsaw.