B
Bab el Mandeb
Bahamas
Bahrain
Baikal, Lake
Baikonur
Balkhash, Lake
Baluchistan
Bangladesh
Barbados
Barcelona
basaltic flows
bases of trade
basin
Bay of Bengal
Beijing
Belarus
Belgium
Belize
Benares
Benelux
Benguela Current
Benin
Bermuda
Bhutan
Bight of Benin
Biome
bioreserve
Biosphere
Black Sea
Bokkara
Bolivia
Bordeaux
Borneo
Bosnia and Herzegovina
Botswana
boundaries, natural
boundaries, political
Bouvet Island
Brazil
British East India
British Empire
British Indian Ocean Territory
Brunei
Buenos Aires
Bulgaria
Burkina Faso
Burundi