Subject (Region)
- Altai Mountains21
- South America19
- Mexico18
- Ural Mountains Region (Russia)16
- Aleutian Islands (Alaska)15
- Germany15
- Islands of the Pacific15
- Northwest Passage14
- Caucasus12
- Finland12
- Russia (Territory under White armies, 1918-1920)12
- Sakhalin (Sakhalinskai︠a︡ oblastʹ, Russia)12
- Northwest Coast of North America11
- Kazakhstan10
- Northeast Passage10
- Australia9
- Madagascar9
- Sibérie (Russie)9
- Vladivostok (Russia)9
- Altaĭskiĭ kraĭ (Russia)8