The fortunate geographical position of this town and the presence of cartina.jpg (20613 byte)vegetation and springs, apart from the riches to be found underground, constituted ideal conditions for a human settlement which probably existed even in Neolithic times.It was however in the Nuraghic period that greater human penetration of this territory took place, as is shown by numerous, imposing monuments: nuraghi, sacred wells, monoliths, and giants’ tombs which because of their concentration and particular position make this area one of the most interesting of the Nuraghic period.Roman colonisation extended also to this area in which we find traces of farms and houses, and on the banks of the mere of San Giovanni the remains of the buildings of the cėty (formerly Phoenician-Carthaginian) of Neapolis which was known for its thermal waters and ėts port which represented an outlet for the farming produce and minerals of the area. The inhabited area of Guspini, also known as Gosphini or Gulsue, grew up however in the Middie Ages. It belonged to the "giudicato" of Arborea as a village of the administrative district of Bonorzuli, except for a brief period during which it came under the jurisdiction of the castle of Monte Arcuentu