Region
United States
252
Washington (D.C.)
55
Boston
6
Massachusetts
6
Norway
5
Mexican-American Border Region
4
Utøya
4
New York
3
New York (State)
3
New Zealand
3
Oslo
3
China
2
Europe
2
Great Britain
2
Mexico
2
Minnesota
2
Saint Paul
2
Syria
2
Africa, East
1
Australia
1
Florida
1
Fort Hood
1
France
1
Germany
1
Jena
1
Jena (Germany)
1
Montana
1
Oak Creek
1
Tallahassee (Fla.)
1
Tanzania
1
Texas
1
Uganda
1
Wall Street (New York, N.Y.)
1
Wisconsin
1