Concesión de Conil a Alonso Pérez de Guzmán Historical milestone · Conil de la Frontera, La Janda, Cádiz Image of Conil de la Frontera, not of the place itself. King Ferdinand IV granted the hamlet of Conil to Alonso Pérez de Guzmán, after the name 'de la Frontera' had been added following the Reconquest. 1299 Photo: SergioSalgado Autor de la escultura: Antonio Mota (CC BY-SA 4.0) What to see and do in Conil de la Frontera