Lake Tuz
The largest is centered on Lake Tuz, and also includes the middle reach of the Kizilirmak River. The second area is the Karapınar and Konya Plains south of Lake Tuz. The Obruk Plateau separates the Lake Tuz basin from the Karapınar and Konya plains. The third area lies in the middle valleys of the Sakarya and Porsuk rivers northwest of Lake Tuz, as they curve around the eastern end of the Sündiken Mountains.