Yacuiba is a city in southern Bolivia and the capital city of Gran Chaco Province in the Tarija Department. It lies three kilometers from the Argentine border. It has a population of approximately 97,000 and lies 620 to 680 m (2,034–2,231 ft) above sea level. Yacuiba is one fastest growing cities in Bolivia in terms of population due to the commerce and boom in hydrocarbon exploitation . It was part of Salta Province of Argentina until its cession to Bolivia in 1900.
Due to its position on the frontier, Yacuiba is a major center of commerce. Across the border lies Salvador Mazza, with which it forms a conurbation.