Region
- USA 4 results
- United States 4 results
- European Union countries 3 results
- Developing countries 2 results
- Iraq 2 results
- Abu Musa Island 1 results
- Abū Mūsā 1 results
- Afghanistan 1 results
- Africa 1 results
- Africa, Sub-Saharan 1 results
- Asien 1 results
- Australien 1 results
- Canada 1 results
- Canadá 1 results
- Deutschland 1 results
- E.U.A. 1 results
- Entwicklungsländer 1 results
- Ethiopia 1 results
- Europa 1 results
- Europäische Union 1 results
- Europe 1 results
- Europäische Union 1 results
- États-Unis 1 results
- Germany 1 results
- Gießen 1 results
- Grand Ethiopian Renaissance Dam 1 results
- Grand Ethiopian Renaissance Dam (Ethiopia) 1 results
- Großbritannien 1 results
- Hawaii 1 results
- Hawaii (États-Unis) 1 results
- Indien 1 results
- Iran 1 results
- Islands of the Pacific 1 results
- Kanada 1 results
- Korea 1 results
- Korea (South) 1 results
- Middle East 1 results
- Nil 1 results
- Nile River Watershed 1 results
- Ozeanien 1 results
- Persian Gulf Region 1 results
- Romania 1 results
- Subsaharisches Afrika 1 results
- Tunb Islands 1 results
- Tunb aş Şughrá 1 results
- Turkey 1 results
- United Arab Emirates 1 results
- Äthiopien 1 results