Region
Abangares (Canton)
1
Adjuntas
1
Adjuntas (P.R.)
1
Afghanistan
1
Africa
71
Africa, East
2
Africa, Eastern
3
Africa, French-speaking
1
Africa, North
1
Africa, Northeast
1
Africa, Southern
6
Africa, Sub-Saharan
13
Africa, West
1
Afrika
1
Ajusco (Mexico)
2
Alaska
2
Alberta
1
Algeria
1
Amazon River Region
3
Amazon River Watershed
2
America
2
Andes Region
2
Appalachian Region
1
Arab countries
1
Aral Sea Watershed (Uzbekistan and Kazakhstan)
2
Arctic Regions
1
Arctic regions
4
Area de Conservación Arenal (Costa Rica)
1
Argentina
1
Arizona
1
Armenia
1
Asia
52
Asia, Central
3
Atlantic Coast
1
Australia
23
Australia, Southern
1
BRIC countries
2
BRIC-Staaten
1
Bali Island
1
Balkan Peninsula
2
Bangalore
1
Bangalore (India)
1
Bangkok
1
Bangkok (Thailand)
1
Bangladesh
6
Barbados
1
Belgium
2
Benin
1
Berlin
1
Bern <1999>
1
more ...