Region
Africa
4
Africa, North
1
Africa, Sub-Saharan
2
Africa, West
1
Albania
1
Arab countries
1
Argentina
8
Armenia (Republic)
1
Asia
19
Asia, Central
29
Australia
1
Austria
8
Balkan Peninsula
24
Baltic States
7
Belarus
2
Berlin
2
Berlin (Germany)
2
Bosnia and Herzegovina
1
Brazil
1
Budapest (Hungary)
1
Buenos Aires
3
Buenos Aires (Argentina)
2
Bulgaria
5
Byzantine Empire
6
Będzin (Poland)
1
California
1
Canada
2
Carpathian Mountains
2
Caucasus
5
Central Europe
3
Chelm (Chelm, Poland)
3
Chernivt︠s︡i
1
Chile
2
China
25
Clara
1
Clara (Argentina)
1
Commonwealth countries
1
Communist countries
29
Comunidad de Estados Independientes
1
Croatia
2
Cyprus
2
Czech Republic
5
Czechoslovakia
12
Danube River Valley
1
Developing countries
24
Dąbrowa Basin (Poland and Czech Republic)
1
Dąbrowa Górnicza (Poland)
1
East Asia
9
Eastern Europe
24
Eastern Front
17
more ...