| Żeleźnia | |
| Settlement Type: | Village |
| Total Type: | |
| Subdivision Type: | Country |
| Subdivision Type1: | Voivodeship |
| Subdivision Name1: | Masovian |
| Subdivision Type2: | County |
| Subdivision Name2: | Ciechanów |
| Subdivision Type3: | Gmina |
| Subdivision Name3: | Glinojeck |
| Pushpin Map: | Poland |
| Coordinates: | 52.8386°N 20.31°W |
Żeleźnia is a village in the administrative district of Gmina Glinojeck, within Ciechanów County, Masovian Voivodeship, in east-central Poland.[1] It lies approximately 4km (02miles) north-east of Glinojeck, 220NaN0 west of Ciechanów, and 840NaN0 north-west of Warsaw.