Cagliari is the capital and the largest city of Sardinia .
Sardinia is politically a region of Italy , whose official name is Regione Autonoma della Sardegna / Regione Autònoma de Sardigna ( Autonomous Region of Sardinia ) , Delibera della Giunta regionale del 26 giugno 2012 and enjoys some degree of domestic autonomy granted by a specific Statute .