Castle of Garx Monument · Bolulla, La Marina Baixa, Alicante Image of Bolulla, not of the place itself. The castle of Garx, on the Peña del Castellet (Bolulla, Alicante), together with Alcia, today also deserted, formed the old barony of Bolulla, of which only the remains of the settlement and of the medieval fortification that gave it its name survive. Photo: Joanbanjo (CC BY-SA 3.0) What to see and do in Bolulla