The museum is dedicated to the exhibition of archaeological finds from the municipal area of Cabras in the Sinis peninsula. The pre-Nuragic and Nuragic period is documented by the materials recovered from the excavation of the village of Cuccuru is Arrius which has returned significant evidence starting from the Middle Neolithic. The museum collects evidence that allows us to reconstruct the history of the area, in particular of Tharros, one of the oldest cities in Sardinia.