Alghero Cathedral, otherwise the Cathedral of St. Mary the Immaculate, is a Roman Catholic cathedral in Alghero in the province of Sassari, Sardinia, Italy. It is located in the historic center of the city. It was the seat of the Bishop of Alghero from 1503 to 1986, and since 1986 has been that of the Bishop of Alghero-Bosa.
Alghero was designated as a diocesan seat in 1503 but construction work on the cathedral did not begin until 1567. It was inaugurated in 1593 but was not finished. After several restorations it was consecrated in 1730.
Wikipedia https://en.wikipedia.org/wiki/Alghero_Cathedral
Address 14 Via Roma, Alghero 07041, Italy
Coordinates 40°33'32.441" N 8°18'45.61" E