San Sebastián is a town and municipality in the Cauca Department, Colombia at a distance of 165 km by road from the city of Popayán, capital city of the department of Cauca.

[5] It is believed that the town of San Sebastián was settled in the year 1582 by Pedro Antonio Gómez.

However, research indicates that the lands in this region had been inhabited by the indigenous peoples since a time far back before the Hispanic foundation and it is not possible to establish clearly when it started.

[6][3] The Municipality of San Sebastián has a municipal seat, known after the same name, but in the territorial administrative structure it is also called considered a corregiment, therefore the territory consists of seven corregiments which are subdivided into 50 veredas (hamlets), one legally constituted indigenous reservation of the Yanacona ethnic group, and a Papallaqta indigenous council in the corregimiento of Valencia.

In addition to its capital, San Sebastián, the municipality has the following populated centers (corregimientos & Veredas) under its jurisdiction:[7]