Photo source: Wikimedia Commons, TUBS (labels in German)
Photo license: CC BY-SA 3.0
- Marmara: 26.6 million
- Central Anatolia: 12.8 million
- Mediterranean: 10.5 million
- Aegean: 10.4 million
- Southeastern Anatolia: 8.5 million
- Black Sea: 7.6 million
- Eastern Anatolia: 6.5 million