See also: Koszajec, Sochaczew County.
| Koszajec | |
| Settlement Type: | Village |
| Total Type: | |
| Subdivision Type: | Country |
| Subdivision Type1: | Voivodeship |
| Subdivision Name1: | Masovian |
| Subdivision Type2: | County |
| Subdivision Name2: | Pruszków |
| Subdivision Type3: | Gmina |
| Subdivision Name3: | Brwinów |
| Pushpin Map: | Poland |
| Coordinates: | 52.1667°N 65°W |
Koszajec is a village in the administrative district of Gmina Brwinów, within Pruszków County, Masovian Voivodeship, in east-central Poland.[1] It lies approximately 4km (02miles) north-east of Brwinów, 40NaN0 west of Pruszków, and 180NaN0 west of Warsaw.