Sierpc
| Sierpc | |
|---|---|
| Old town hall | |
| Coordinates: 52°53′N 19°40′E / 52.883°N 19.667°E | |
| Country | Poland | 
| Voivodeship | Masovian | 
| County | Sierpc | 
| Gmina | Sierpc (urban gmina) | 
| Established | 10th century | 
| Town rights | 1322 | 
| Government | |
| • Mayor | Jarosław Perzyński | 
| Area | |
|  • Total | 18.6 km2 (7.2 sq mi) | 
| Population  (2010) | |
|  • Total | 18,368 | 
| • Density | 990/km2 (2,600/sq mi) | 
| Time zone | UTC+1 (CET) | 
| • Summer (DST) | UTC+2 (CEST) | 
| Postal code | 09-200 | 
| Area code | +48 024 | 
| Vehicle registration | WSE | 
| Website | http://www.sierpc.pl | 
Sierpc (Polish: [ɕɛrpt͡s]) is a town in north-central Poland, in the north-west part of the Masovian Voivodeship, about 125 km (78 mi) northwest of Warsaw. It is the capital of Sierpc County. Its population is 18,368 (2010).
Sierpc is a member of Cittaslow.