Cagliari (
Greek: ;
Latin: Carales and Caralis;
Catalan: Càller;
Sardinian: Casteddu) is the capital of the island of
Sardinia, a region of
Italy. Cagliari's Sardinian name Casteddu literally means the castle. It has about 160,000 inhabitants, or about 500,000 including the suburbs (
metropolitan area) (Elmas, Assemini, Capoterra, Selargius, Sestu, Monserrato, Quartucciu, Quartu Sant'Elena).
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