Austria
lowest point: Neusiedler See 115 m
highest point: Grossglockner 3,798 m

Azerbaijan
lowest point: Caspian Sea -28 m
highest point: Bazarduzu Dagi 4,485 m

Bahamas, The
lowest point: Atlantic Ocean 0 m
highest point: Mount Alvernia, on Cat Island 63 m

Bahrain
lowest point: Persian Gulf 0 m
highest point: Jabal ad Dukhan 122 m

Baker Island
lowest point: Pacific Ocean 0 m
highest point: unnamed location 8 m

Bangladesh
lowest point: Indian Ocean 0 m
highest point: Keokradong 1,230 m

Barbados
lowest point: Atlantic Ocean 0 m
highest point: Mount Hillaby 336 m

Bassas da India
lowest point: Indian Ocean 0 m
highest point: unnamed location 2.4 m

Belarus
lowest point: Nyoman River 90 m
highest point: Dzyarzhynskaya Hara 346 m

Belgium
lowest point: North Sea 0 m
highest point: Signal de Botrange 694 m