It is located in the Campidano di Oristano region, approximately ten kilometres from the regional capital and from the coast, where the uncontaminated beaches of the Sinis peninsula stand out. Baratili San Pietro was simply Baràtili until 1864, after which the reference to the patron saint of the village was added. The patron saint is celebrated at the end of June. The parish church of San Pietro, with a Latin cross layout and a bell-tower covered by an onion dome, is the heart of the village mentioned, in the form of Oiratili, since the mid-12th century. Today, it has approximately one thousand 300 inhabitants and is well-known especially for Vernaccia, a native grape variety (typical of the Oristano area) that dominates the surrounding level landscapes from which a full-bodied and delicious white wine is produced by hand, ideal as an accompaniment to savoury dishes and desserts.