The cathedral of Santa Maria Assunta and Santa Cecilia is the main place of worship of Cagliari, the mother church of the homonymous Archdiocese metropolitan and parish of the historic Castle District.

The church looks like a combination of different artistic styles and contains seven centuries of historical memories of the city of Cagliari. Built over two hundred, Pisan Romanesque style, was elevated to cathedral status in 1258. When Cagliari was the capital of the kingdom of Sardinia, inside swore representatives of the three displacements (the Sardinian parliament arms). During the seventeenth and eighteenth centuries, the temple was renovated according to the canons of the Baroque style. In the thirties of the twentieth century it was erected the present façade in neo-Romanesque style, inspired by the prospect of the cathedral of Pisa.

The cathedral, as well as being an important place of Catholic worship, where you play the main celebrations of the liturgical year chaired by the archbishop, is one of the best known and most visited monuments of Cagliari.