(ANSA) - BELGRADE, DEC 12 - "The European integration process is not yet complete and faces new challenges, reinforcing its appeal. The ambitions, efforts, and will of our neighbours, from the Western Balkans to Moldova, Ukraine to Georgia, must be matched by the Union's active willingness to welcome them." This was stated by the Italian President Sergio Mattarella during his speech at the New Year's Eve greeting ceremony for diplomats. (ANSA).