Fundación de San Sebastián de los Ballesteros Historical milestone · San Sebastián de los Ballesteros, Campiña Sur, Córdoba Image of San Sebastián de los Ballesteros, not of the place itself. San Sebastián de los Ballesteros was founded from 1767 onward under the direction of Pablo de Olavide, as part of Charles III's Nuevas Poblaciones project, with central European settlers. Photo: 19Tarrestnom65 (CC BY-SA 4.0) What to see and do in San Sebastián de los Ballesteros