lat: 52.8529055, lon: 19.6675433
| Key | Value |
| name:he | שרפץ' |
| name:ru | Серпц |
| old_name:de:1939-1941 | Schirps |
| old_name:de:1941-1945 | Sichelberg |
| place | town |
| population | 17308 |
| population:date | 2021-06-30 |
| postal_code | 09-200 |
| source:population | Narodowy Spis Powszechny 2021 |
| teryt:simc | 0969310 |
| teryt:terc | 1427011 |
| wikidata | Q928392 |
| wikipedia | pl:Sierpc |