Bolivia:
landlocked; shares control of Lago Titicaca, world's
highest navigable lake (elevation 3,805 m), with Peru

Bosnia and Herzegovina:
within Bosnia and Herzegovina's recognized
borders, the country is divided into a joint Bosniak/Croat
Federation (about 51% of the territory) and the Bosnian Serb-led
Republika Srpska or RS (about 49% of the territory); the region
called Herzegovina is contiguous to Croatia and traditionally has
been settled by an ethnic Croat majority

Botswana:
landlocked; population concentrated in eastern part of the
country

Bouvet Island:
covered by glacial ice; declared a nature reserve

Brazil:
largest country in South America; shares common boundaries
with every South American country except Chile and Ecuador

British Indian Ocean Territory: archipelago of 2,300 islands; Diego Garcia, largest and southernmost island, occupies strategic location in central Indian Ocean; island is site of joint US-UK military facility

British Virgin Islands:
strong ties to nearby US Virgin Islands and
Puerto Rico

Brunei:
close to vital sea lanes through South China Sea linking
Indian and Pacific Oceans; two parts physically separated by
Malaysia; almost an enclave of Malaysia

Bulgaria:
strategic location near Turkish Straits; controls key land
routes from Europe to Middle East and Asia

Burkina Faso:
landlocked