The main shopping areas are the Microcentro [1], along the Florida pedestrian mall toward Retiro; Retiro [2], around Plaza San Martín and along Avenida Santa Fe; Recoleta [3], near the cemetery; and the tree-lined streets of Palermo [4] Viejo, where stylish shops sit among the newest restaurants and bars.
Street markets take place in San Telmo [5], Recoleta [3], and Belgrano [6].
Links:
[1] http://www.moon.com/destinations/argentina/buenos-aires/sights/microcentro
[2] http://www.moon.com/destinations/argentina/buenos-aires/sights/retiro
[3] http://www.moon.com/destinations/argentina/buenos-aires/sights/recoleta-and-barrio-norte
[4] http://www.moon.com/destinations/argentina/buenos-aires/sights/palermo
[5] http://www.moon.com/destinations/argentina/buenos-aires/sights/san-telmo
[6] http://www.moon.com/destinations/argentina/buenos-aires/sights/belgrano