Region
20th century
1
21st century
1
Acharnai
1
Acharnai (Greece)
1
Aden (Yemen)
1
Afghanistan
12
Africa
49
Africa, East
1
Africa, French-speaking West
1
Africa, North
3
Africa, Southern
6
Africa, Sub-Saharan
7
Africa, West
4
Afrique australe
1
Aksum (Kingdom)
2
Alabama
5
Alaska
4
Albania
1
Alexandria
2
Algeria
2
Algiers
1
Algiers (Algeria)
1
Amazon River Region
1
Amdo (Region)
1
America
29
Anaktuvuk Pass
1
Anaktuvuk Pass (Alaska)
1
Anantapur (District)
1
Andersonville
1
Andes Region
1
Andhra Pradesh
1
Angkor (Extinct city)
1
Angola
2
Annapolis (Md.)
2
Antarctica
4
Antigua
1
Appalachian Region
2
Arab countries
3
Arabian Peninsula
4
Arctic National Wildlife Refuge (Alaska)
1
Arctic Ocean
1
Arctic Regions
1
Arctic regions
6
Argentina
6
Arizona
3
Arkansas
4
Armagh (Northern Ireland)
1
Arundel
1
Asia
18
Asia, Central
2
more ...