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- Neapolis was a common name of ancient cities, for others see Neapoli
|Region||Province of Medio Campidano|
Neapolis (Greek: Νεάπολις; Sardinian: Nabui) meaning "New City", was an ancient city of Sardinia, and apparently one of the most considerable places on that island. It was situated on the west coast, at the southern extremity of the Gulf of Oristano, at the present-day località of Santa Maria di Nabui, in the comune of Guspini, Province of Medio Campidano.
The Itineraries place Neapolis 60 miles from Sulci (in modern Sant'Antioco), and 18 from Othoca (modern Santa Giusta near Oristano). (Itin. Ant. p. 84.) The name would clearly seem to point to a Greek origin, but we have no account of its foundation or history. It is noticed by Pliny as one of the most important towns in Sardinia; and its name is found also in Ptolemy and the Itineraries. (Plin. iii. 7. s. 13; Ptol. iii. 3. § 2; Itin. Ant. l. c.; Tab. Peut.; Geogr. Rav. v. 26.) Its ruins are still visible at the mouth of the river Pabillonis, where that stream forms a great estuary or lagoon, called the Stagno di Marceddi, and present considerable remains of ancient buildings as well as the vestiges of a Roman road and aqueduct. The spot is marked by an ancient church called Santa Maria di Nabui. (De la Marmora, Voy. en Sardaigne, vol. ii. p. 357.)
The Aquae Neapolitanae mentioned by Ptolemy as well as in the Itinerary, which places them at a considerable distance inland, on the road from Othoca to Caralis (modern Cagliari), are certainly the mineral sources now known as the Bagni di Sardara, on the high road from Cagliari to Oristano. (Itin. Ant. p. 82; Ptol. iii. 3. § 7; Geogr. Rav. v. 26; De la Marmora, l. c. p. 406.)