Region
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Atlantic Ocean Region
2
Baltic Sea Region
2
Black Sea
2
Boston
2
Burundi
2
Canadian-American Border Region
2
Caucasus, South
2
Chechni͡a
2
Chiapas (Mexico)
2
Chile
2
Crimea
2
East China Sea
2
Eritrea
2
Ethiopia
2
Europe, Central
2
Europe, Northern
2
Gaza Strip
2
Germany (West)
2
Golan Heights
2
Great Lakes Region (Africa)
2
Guantánamo Bay Naval Base
2
Guantánamo Bay Naval Base (Cuba)
2
Guinea, Gulf of
2
Guyana
2
Hawaii
2
History
2
Indian Ocean
2
Indian Ocean Region
2
Italy
2
Morocco
2
North Macedonia
2
Northeastern States
2
Nye County
2
Palestinian National Authority
2
Rakhine State (Burma)
2
Romania
2
Serbia
2
South Ossetia (Georgia)
2
Spain
2
Switzerland
2
Trinidad
2
Trinidad and Tobago
2
Uganda
2
Abqaiq
1
Aden, Gulf of
1
Alabama
1
Albania
1
Algeria
1
Amazon River Region
1
Antarctica
1
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