| Kościaszyn | |
| Settlement Type: | Village |
| Total Type: | |
| Subdivision Type: | Country |
| Subdivision Type1: | Voivodeship |
| Subdivision Name1: | Lublin |
| Subdivision Type2: | County |
| Subdivision Name2: | Hrubieszów |
| Subdivision Type3: | Gmina |
| Subdivision Name3: | Dołhobyczów |
| Coordinates: | 50.5167°N 82°W |
| Pushpin Map: | Poland |
| Pushpin Label Position: | bottom |
| Population Total: | 40 |
Kościaszyn is a village in the administrative district of Gmina Dołhobyczów, within Hrubieszów County, Lublin Voivodeship, in eastern Poland, close to the border with Ukraine.[1] It lies approximately 9km (06miles) south-west of Dołhobyczów, 350NaN0 south of Hrubieszów, and 1290NaN0 south-east of the regional capital Lublin. The village is located in the historical region Galicia.[2]