In the metropolitan area there are ruins of neolithic and chalcolithic villages, and several domus de Janas.
There are also many nuraghes; the Nuraghe Diana on the coast of Quartu Sant'Elena and the nuraghes Sa Domu de S'Orcu and Antigori on the coast of Sarroch are particularly important.
A deep, sacred well is located in Settimo San Pietro and a giants' grave, Is Concias, in the territory of Quartucciu.

In the city of Nora, there are ruins of the Punic and Roman periods.
The Tuvixeddu necropolis and a Roman Amphitheatre are located in Cagliari.
In the metropolitan area there are ruins of neolithic and chalcolithic villages, and several domus de Janas. There are also many nuraghes; the Nuraghe Diana on the coast of Quartu Sant'Elena and the nuraghes Sa Domu de S'Orcu and Antigori on the coast of Sarroch are particularly important. A deep, sacred well is located in Settimo San Pietro and a giants' grave, Is Concias, in the territory of Quartucciu.
In the city of Nora, there are ruins of the Punic and Roman periods. The Tuvixeddu necropolis and a Roman Amphitheatre are located in Cagliari.
Metropolitan City of Cagliari