The Basilica di San Gavino is a proto-Romanesque church in Porto Torres, Sardinia, Italy. A former cathedral, it is now a place for the veneration of local martyrs and a parish church.
Wikipedia https://en.wikipedia.org/wiki/Basilica_of_San_Gavino
Address 40 Via Monte Angellu, Porto Torres 07046, Italy
Coordinates 40°49'55.727" N 8°24'2.663" E