Cauca State was one of the states of Colombia, which existed from 1857 until 1886.
Today the area of the former state makes up most of modern-day west and southern Colombia, with some portion of its vast territories acquired by present-day Peru, Brazil, Ecuador and Venezuela.
Known as "Gran Cauca", because it was the largest [3] and richest [4] of the Union.
In 15 June 1857 law, the state was divided into the following provinces [5]
In 1858, the setup was changed, Barbacoas and Túquerres were added to Pasto: [5]
In 1874, the provinces had been changed into municipalities and the number increased to 16: [5]
2°27′00″N 76°37′00″W / 2.45°N 76.6167°W