 Vatican City has an open border with Italy, and therefore with the entire Schengen Area of which Italy is part, and in 2006 indicated an interest in joining the Schengen Information System.It also uses the euro as its sole currency and has an agreement with the EU allowing it to mint its own coins.The EU gave Italy authority to negotiate a deal with the Holy See in 2000 which allowed the Holy See to mint a maximum of €670,000.