 The primitive agglomeration concentrated around a defensible area at the end of the settlement.From the inventory by the "Direcção Geral dos Edifícios e Monumentos Nacionais" (General-Directorate on Buildings and National Monuments), this settlement consisted of a Lusitanian castro bridging the Neolithic and Chalcolithic eras.This space was also a transit point for Phoenicians, Greek and Carthaginian traders.