A sumptuous and harmonious overlapping of architectural styles, "yet one would not want to take anything away from it", as the writer Elio Vittorini said when he saw it. The basilica dedicated to St. Nicholas of Bari, cathedral since 1441, known as the Duomo, is located in the historic center, where the first nucleus of Sassari was born. Gothic vaults, Baroque facade, classic decorations are the result of renovations, the roots are ancient and humble, linked to the origins of the city.