High Quality Content by WIKIPEDIA articles! Vacaria is a Brazilian city in the northeast of the state of Rio Grande do Sul. It is located at a latitude of 28° 30' 44" South and a longitude of 50° 56' 02" west, with an altitude of 971 meters. Its population in 2004 was estimated to be 60,756 inhabitants. The total area of the city is 2105.6 km². It was the Jesuit missionaries that, in the 16th century, started the colonization of the area by spreading the livestock brought from the reductions to the extensive wilderness known as "Baqueria de los Piñales". During more than a century, disputes with the Guarani Indians marked the history of the region, before it was consolidated as an official trail connecting the Plata region to Brazil.