The square is also occasionally used for visits of foreign heads of state and meetings . In November 2013 President of Russia Vladimir Putin met Italian Prime Minister Enrico Letta there for bilateral talks . In July 2017 a trilateral meeting attended by Angela Merkel , Emmanuel Macron , and Paolo Gentiloni was held there , as well as the fourth Western Balkans Summit
Western Balkans Summit
2017 Western Balkans Summit, Trieste
Piazza Unità d'Italia