Muravera is a comune in the Province of South Sardinia in the Italian region Sardinia, about 45 kilometres northeast of Cagliari in the Sarra…Muravera is a comune in the Province of South Sardinia in the Italian region Sardinia, about 45 kilometres northeast of Cagliari in the Sarrabus. It is a centre of citrus production as well as a tourist resort, including several fine beaches such as that of Costa Rei.