Teulada is a comune in the Province of South Sardinia in the Italian region Sardinia, located about 40 kilometres southwest of Cagliari. The località of Sant'Isidoro di Teulada is one of the possible sites of the ancient Roman city of Bithia. The Battle of Cape Spartivento was a short World War II naval battle on 27 November 1940 when HMS Newcastle and three other British cruisers engaged and exchanged fire with a number of ships of the Italian navy.