The Argentine currency is the peso ($). There are $ 100, $ 50, $ 20, $ 10, $ 5 and $ 2 notes, and 1, 0.50, 0.25, 0.10 and 0.05 cent coins.
The U.S. dollar is the most common foreign currency. Banks and casas de cambio (currency exchange offices) exchange foreign currency but remember that you must present your passport to make the transaction. Shops accept credit cards and dollars.
The exchange rate in Argentina is quite economical for the foreign tourist (at the moment it hovers around 3 Argentine pesos for 1 American dollar).
The main banking area is located in the so-called "city". This area comprises the first five blocks (numbered 100 to 500) of San Martín, Reconquista, 25 de Mayo, Sarmiento, Presidente Juan Domingo Perón and Mitre streets.
The U.S. dollar is accepted in most shops, but it more convenient to exchange them for pesos in casas de cambio or banks.