# Region Sq Km Sq Mi
1 Eastern Anatolia 171,000 km2 66,023 mi2
2 Central Anatolia 162,000 km2 62,548 mi2
3 Blacksea 146,178 km2 56,439 mi2
4 Mediterranean 122,100 km2 47,143 mi2
5 Aegean 85,000 km2 32,818 mi2
6 Marmara 67,300 km2 25,984 mi2
7 Southeastern Anatolia 61,000 km2 23,552 mi2