Poblado fortificado de Mirabueno Historical milestone · Garbayuela, La Siberia, Badajoz Image of Garbayuela, not of the place itself. In the Sierra de Mirabueno, north of Garbayuela, a pre-Roman hilltop walled settlement is preserved, covering about 300 m² of construction, with five associated caves known as 'Cuarto del Moro', 'las Lastras', 'La Cocina', 'La Sala Principal' and 'Galería'. Photo: Adolfobrigido (CC BY-SA 4.0) What to see and do in Garbayuela