# Sierpc

> city and urban gmina of Poland

**Wikidata**: [Q928392](https://www.wikidata.org/wiki/Q928392)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Sierpc)  
**Source**: https://4ort.xyz/entity/sierpc


## References

1. BnF authorities
2. [Source](https://www.worlddata.info/europe/poland/timezones.php)
3. Freebase Data Dumps. 2013
4. Czech National Authority Database
5. MusicBrainz
6. [Source](https://bdl.stat.gov.pl/api/v1/data/localities/by-unit/071427027011-0969310?var-id=1639616&format=jsonapi)
7. [Source](https://bdl.stat.gov.pl/api/v1/data/localities/by-unit/071427027011-0969310?var-id=1639618&format=jsonapi)
8. [Source](https://bdl.stat.gov.pl/api/v1/data/localities/by-unit/071427027011-0969310?var-id=1639617&format=jsonapi)
9. GeoNames
10. TERYT
11. [Source](https://service.unece.org/trade/locode/pl.htm)