| Karolin | |
| Settlement Type: | Village |
| Total Type: | |
| Subdivision Type: | Country |
| Subdivision Type1: | Voivodeship |
| Subdivision Name1: | Podlaskie |
| Subdivision Type2: | County |
| Subdivision Name2: | Sejny |
| Subdivision Type3: | Gmina |
| Subdivision Name3: | Giby |
| Pushpin Map: | Poland |
| Coordinates: | 54.05°N 40°W |
| Population Total: | 97[1] |
Karolin, is a village in the administrative district of Gmina Giby, within Sejny County, Podlaskie Voivodeship, in north-eastern Poland, close to the borders with Belarus and Lithuania.[2] It lies approximately 6km (04miles) west of Giby, 100NaN0 south-west of Sejny, and 1040NaN0 north of the regional capital Białystok.