01

Africa - Inland Waters

02

America, North - Inland waters, includes Central America

03

America, South - Inland waters

04

Asia - Inland waters, exclude former USSR

05

Europe - Inland waters, exclude former USSR

06

Oceania - Inland waters

07

Former USSR - Inland waters

08

Antarctica - Inland waters

18

Arctic Sea

21

Atlantic, Northwest

27

Atlantic, Northeast

31

Atlantic, Western Central

34

Atlantic, Eastern Central

37

Mediterranean and Black Sea

41

Atlantic, Southwest

47

Atlantic, Southeast

48

Atlantic, Antarctic

51

Indian Ocean, Western

57

Indian Ocean, Eastern

58

Indian Ocean, Antarctic

61

Pacific, Northwest

67

Pacific, Northeast

71

Pacific, Western Central

77

Pacific, Eastern Central

81

Pacific, Southwest

87

Pacific, Southeast

88

Pacific, Antarctic

99

All areas (World total)