Population: 2,507
Surface area: 36.79 sq km

Sant'Anna Arresi is an agricultural town, noted for its pastoral activity and production of cereals, vegetables, fruit, grapes for winemaking and olives. In addition, it hosts the acclaimed music festival "Ai confini tra Sardegna e Jazz", an annual even held in August. The festival has been running for 17 years and attracts music lovers from all over the world to this small town in the Sulcis district.
In fact, Sant'Anna Arresi is now included in the exclusive calendar of obligatory dates for those who appreciate fine music.
Among the illustrious artists who have participated in the festival in recent years are:

- Path Metheny
- Sound of New Orleans All Star Brass Band
- Arto Lindsay
- Carla Bley, pianist-composer known to jazz lovers all over the world
- Randy Brecker