Region
20th century
1
Abū Ẓaby (Emirate)
1
Accra (Ghana)
1
Adriatic Sea Region
1
Aegean Sea Region
1
Africa
62
Africa, East
1
Africa, North
3
Africa, Portuguese-speaking
1
Africa, Southern
3
Africa, Sub-Saharan
4
Africa, West
2
Agriculture
1
Ahmadābād (India)
1
Aims and objectives
1
Alaska
4
Alberta
2
Albuquerque
1
Andes Region
2
Andhra Pradesh
2
Ann Arbor
1
Arab countries
3
Arctic regions
1
Argentina
3
Arizona
3
Armenia
1
Asia
41
Asia, Central
1
Assyria
1
Atlantic Ocean Region
1
Australia
21
BRIC countries
3
Bang Chan
2
Bang Chan (Thailand)
2
Bangladesh
2
Barcelona
1
Bavaria
1
Beijing (China)
1
Belgium
2
Benelux countries
1
Benin
1
Bethlehem
2
Bethlehem (Town)
1
Bhutan
1
Binhai Xinqu (Tianjin, China)
3
Blueprint Farm (Laredo, Tex.)
1
Boston
2
Boston Metropolitan Area
1
Brazil
18
British Columbia
2
more ...