Region
20th century
1
Acolman (Mexico)
1
Africa
1
Africa, East
1
Africa, North
1
Aguascalientes
1
Aguascalientes (Mexico : Municipio)
1
Alava (Province)
1
Albarracín
2
Alcalá de Henares
1
Algeria
2
Almoharin (Spain)
1
Altiplano
1
Amazon River Valley
1
America
19
American
1
Andacollo
1
Andacollo (Chile)
1
Andalusia
1
Andalusia (Spain)
2
Andes
1
Andorra
1
Antequera (Spain)
1
Aparecida (São Paulo : Southeast)
1
Aparecida (São Paulo, Brazil : Southeast)
1
Aragon
7
Aragon (Spain)
4
Aranzazu
1
Aránzazu
2
Aránzazu (Spain)
1
Arecibo
1
Arecibo (P.R.)
1
Arequipa (Peru : Department)
1
Arequipa (Peru)
1
Argentina
74
Argentina, Northwest
1
Arroyo Seco
1
Asia
9
Assisi
12
Assisi (Italy)
7
Avila
5
Avila (Spain)
2
Azpeitia (Spain)
2
Ágreda
2
Bahía Blanca
1
Baja California
2
Baja California (Mexico : Peninsula)
14
Baja California (Peninsula)
14
Balearic Islands (Spain)
1
Barcelona
9
more ...