Region
Pennsylvania
288
Philadelphia Region
153
United States
91
Penn
60
Philadelphia Region (Pa.)
59
Philadelphia
49
New Jersey
30
Arctic regions
27
New York (State)
25
Québec (Province)
22
Philadelphia (Pa.)
20
Québec
19
Maryland
18
Appalachian Region
17
Great Lakes Region (North America)
16
Appalachian Region, Southern
15
Virginia
14
Chesapeake Bay Region (Md. and Va.)
13
Delaware River Valley (N.Y.-Del. and N.J.)
13
England
13
États-Unis
13
Pittsburgh Region
12
Europe
11
Canada
10
Delaware
10
Mediterranean Region
10
Pittsburgh Region (Pa.)
10
Great Britain
9
Ohio
9
Poland
9
Scotland
9
South Carolina
9
Atlantic Ocean Region
8
Caribbean Area
8
Illinois
8
New York Region
8
North Carolina
8
USA
8
America
7
Anthracite region (Pa.)
7
Massachusetts
7
Mexican-American Border Region
7
Montgomery County (Pa.)
7
North America
7
Ontario
7
Pittsburgh (Pa.)
7
Southern States
7
Arctic Regions
6
Delaware River Region (N.Y.-Del. and N.J.)
6
Germany
6
more ...