The Bank of the South or BancoSur is a monetary fund and lending organization established on 26 September 2009 by Argentina, Brazil, Paraguay, Uruguay, Ecuador, Bolivia and Venezuela with promises of initial capital of US$20 billion. Argentina, Venezuela, and Brazil were to have each pledged $4 billion, and Uruguay, Ecuador, Paraguay and Bolivia were to have contributed smaller amounts. The bank intended to lend money to nations in the Americas to construct social programs and infrastructure. Documents establishing the bank as an entity were signed in 2007, and the agreement between the countries was finalized in 2009, but as of 2016, the bank had not been capitalized.

Bolivia, officially the Plurinational State of Bolivia, is a landlocked country located in western-central South America. It is bordered by Brazil to the north and east, Paraguay to the southeast, Argentina to the south, Chile to the southwest, and Peru to the west. The seat of government and administrative capital is La Paz, which contains the executive, legislative, and electoral branches of government, while the constitutional capital is Sucre, the seat of the judiciary. The largest city and principal industrial center is Santa Cruz de la Sierra, located on the Llanos Orientales, a mostly flat region in the east of the country.