The monarchs of the House of Savoy ruled from their mainland capital of Turin .
The monarchs of the House of Savoy styled themselves primarily with the royal title of Sardinia as superior to their original lesser dignity as Dukes of Savoy .
The monarchs of the House of Savoy ruled from their mainland capital of Turin , but styled themselves primarily with the royal title of Sardinia as superior to their original lesser dignity as Dukes of Savoy .