Region
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Uruguay
4
Utøya
4
Vietnam
4
États-Unis
4
Abbottābād (Pakistan)
3
Arlington
3
Beslan
3
Canada, Northern
3
Colorado
3
Croatia
3
Dar es Salaam
3
Federally Administered Tribal Areas
3
Horn of Africa
3
Liberia
3
Madrid
3
New York Metropolitan Area
3
Nicaragua
3
Northern boundary of the United States
3
Oslo
3
Paris (France)
3
Pensacola
3
Persian Gulf Region
3
Poland
3
Puerto Rico
3
Serbia
3
Trinidad and Tobago
3
Washington (State)
3
West (U.S.)
3
Wisconsin
3
Aden, Gulf of
2
Alaska
2
Angola
2
Arabian Peninsula
2
Arctic Ocean
2
Arizona
2
Armenia
2
Atlanta
2
Atlantic Ocean
2
Austin
2
Austria
2
Beirut
2
Bosnia and Herzegovina
2
Brussels
2
Buenos Aires
2
Buenos Aires (Argentina)
2
Caucasus, South
2
Chechni͡a
2
Chechni︠a︡
2
Communist countries
2
Congo (Democratic Republic)
2
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