# Köseköy

> mahalle (administrative quarter) in Kartepe, Kocaeli, northwestern Turkey

**Wikidata**: [Q35706549](https://www.wikidata.org/wiki/Q35706549)  
**Source**: https://4ort.xyz/entity/k-sek-y-q35706549


## References

1. GEOnet Names Server. 2018
2. [Source](https://www.e-icisleri.gov.tr/Anasayfa/MulkiIdariBolumleri.aspx)
3. [Turkish Statistical Institute](https://www.tuik.gov.tr)
4. [Source](https://data.tuik.gov.tr/Bulten/Index?p=Adrese-Dayali-Nufus-Kayit-Sistemi-Sonuclari-2021-45500)