Geography

Bolivia comprises 1,098,580 km² of territory, of which 14,190 km² is water and is the 28th largest country in the world. It borders five nations with a total of 6,743 km of borders.Its the longest is the 3,400 km northeastern border with Brazil. Bolivia also neighbors Peru, with a 900 km border to the northwest. Chile (southwest; 861 km), Argentina (south; 832 km) and Paraguay (southeast; 750 km).

information from:
http://en.wikipedia.org/wiki/Geography_of_Bolivia#Area_and_location