Region Friuli Venezia Giulia wants to abolish the Province of Trieste. But can Italian authorities do it, since the Province of Trieste is not in Italy?

Region Friuli Venezia Giulia wants to abolish the Province of Trieste. But can Italian authorities do it, since the Province of Trieste is not in Italy?
25 May 2014: Free Trieste opposes municipal elections summoned in the name of the Republic of Italy and European elections. #NoElectionDay
Free Trieste works to re-establish the rule of law in the Free Territory of Trieste, an independentState with the only international Free Port in the world.