| Kocaeli Subregion Kocaeli Alt Bölgesi | |
|---|---|
| Subregion | |
 | |
| Country | Turkey |
| Region | East Marmara |
| Area | |
| • Subregion | 20,402 km (7,877 sq mi) |
| Population | |
| • Subregion | 3,448,702 |
| • Rank | 6th |
| • Density | 170/km (440/sq mi) |
| • Urban | 3,148,994 |
| • Rural | 299,708 |
The Kocaeli Subregion (Turkish: Kocaeli Alt Bölgesi) (TR42) is a statistical subregion in Turkey.
Provinces
- Kocaeli Province (TR421)
- Sakarya Province (TR422)
- Düzce Province (TR423)
- Bolu Province (TR424)
- Yalova Province (TR425)
See also
External links
- TURKSTAT (in English)
Sources
| Statistical subregions of Turkey | ||
|---|---|---|
 | ||
Category: