Salta Province Salta Province Salta () is a province of Argentina, located in the northwest of the country. Neighboring provinces are from the east clockwise Formosa, Chaco, Santiago del Estero, Tucumán and Catamarca. It also surrounds Jujuy. To the north it borders Bolivia and Paraguay and to the west lies Chile. Before the Spanish conquest, numerous native peoples (now called Diaguitas and Calchaquíes) lived in the valleys of what is now Salta Province; they formed many different tribes, the Quilmes and Humahuacas among them, which all shared the Cacán language. The Atacamas lived in the Puna, and the Wichís (Matacos), in the
Salta Province significant role in Salta, adding 20% to the economy. Gas and petroleum from the Tartagal, Aguas Blancas, Madrejones and Campo Durán centres is transported to Buenos Aires and Rosario by pipes. There is also an oil refinery located at Campo Durán. Mining includes uranium at Iruya, La Poma and San Carlos. Agriculture and its derived industries are still an important activity in the province, adding over 10% to output. Tobacco, sugar cane and viticulture are the most important and produce most of the exports from the area. Other crops mostly for local consumption are maize, beans, citrus, bananas, and tomatoes.