Then we will be able to develop better cooperation because the entire peoples cannot be blamed for war crimes, Mesic told Belgrade-based Television Pink.
He said that guilt must be individualised by all means in Bosnia-Herzegovina, Serbia, Montenegro and Croatia and supported cooperation between Croatia and Serbian judicial bodies.
Speaking about the European Union, the Croatian head of state said EU enlargement could not end before the southeast of Europe joined the bloc.
Mesic also said Croatia would loudest advocate of the joining of Serbia and the region in the European Union.