# Kocaeli Subregion

> subregion in East Marmara, Turkey

**Wikidata**: [Q19839543](https://www.wikidata.org/wiki/Q19839543)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Kocaeli_Subregion)  
**Source**: https://4ort.xyz/entity/kocaeli-subregion


## References

1. [Source](https://www.nufusu.com/iller)