| Piekiełko | |
| Total Type: | |
| Subdivision Type: | Country |
| Subdivision Name: | Poland |
| Subdivision Type1: | Voivodeship |
| Subdivision Name1: | Masovian Voivodeship |
| Subdivision Type2: | County |
| Subdivision Name2: | Mława County |
| Subdivision Type3: | Gmina |
| Subdivision Name3: | Mława (urban gmina) |
| Coordinates: | 53.1719°N 20.3647°W |
| Pushpin Map: | Poland |
| Pushpin Label Position: | bottom |
Piekiełko is part of the town in Mława in Masovian Voivodeship, east-central Poland. Until 2004 it was a village in the administrative district of Gmina Iłowo-Osada, within Działdowo County, Warmian-Masurian Voivodeship. It lies approximately 5km (03miles) east of Iłowo-Osada and 140NaN0 south-east of Działdowo.