Basin No

Basin name

Precipitation Area (km²)

Mean annual discharge (km³)

Rate (%)

Draining to

1

Meriç Ergene

14.560

1.84

1.1

From Bulgaria to the Aegean Sea

2

Marmara

24.100

7.54

4.4

Sea of Marmara

3

Susurluk

22.399

4.23

2.5

Sea of Marmara

4

North Aegean

10.003

1.5

0.9

Aegean Sea

5

Gediz

18.000

1.54

0.9

Aegean Sea

6

Küçük Menderes

6.907

0.53

0.3

Aegean Sea

7

Büyük Menderes

24.976

2.97

1.7

Aegean Sea

8

West Mediterranean

20.953

6.97

4.1

Mediterranean Sea

9

Antalya

19.577

11.25

6.6

Mediterranean Sea

10

Burdur Lakes Area

6.374

0.26

0.1

Interior

11

Akarçay

7.605

0.33

0.2

Interior

12

Sakarya

58.160

5.16

3

Black Sea

13

West Black Sea

29.598

9.91

5.8

Black Sea

14

Yeşilırmak

36.114

6.58

3.8

Black Sea

15

Kızılırmak

78.180

6.12

3.6

Black Sea

16

Konya inland basin

53.850

2.65

1.5

Interior

17

East Mediterranean

22.048

11.25

6.6

Mediterranean Sea

18

Seyhan

20.450

6.79

4

Mediterranean Sea

19

Ceyhan

21.982

7.37

4

Mediterranean Sea

20

Asi (Orontes)

7.796

0.89

0.5

From Syria to Mediterranean Sea

21

Euphrates and Tigris

184.918

49.91

29.2

To Syria/Iraq/the Persian Gulf

22

East Black Sea

24.077

14.93

8.7

Black Sea

23

Çoruh

19.872

7.05

4.1

To Georgia and the Black Sea

24

Aras

27.548

4.18

2.4

To Azerbaijan and Caspian Sea

25

Van inland basin

19.405

2.26

1.2

Interior

Total

779.452

171

100