On 4 April 2008 , U.S. President George W. Bush arrived in Zagreb on an official 2-day state visit . The visit immediately followed the 2008 Bucharest summit of NATO countries where Croatia and Albania received invitations to join the alliance . Bush met with President of Croatia Stipe Mesić and Prime Minister Ivo Sanader , and gave a speech in St. Mark 's Square in downtown Zagreb . Peaceful rallies were held during the visit to protest U.S. foreign policy and impending Croatian NATO membership
2008 Bucharest summit
2008 Bucharest summit
Croatia–United States relations