Kosor urged the HDZ BiH which she called the HDZ's sister party to work on uniting political parties representing Croats in Bosnia-Herzegovina.
She said that she expected the HDZ BiH to continue performing its role of the main pivotal Bosnian Croat political party.
Addressing the ceremony which gathered some 2,000 sympathisers and members of the HDZ BiH, Kosor said that Croatia would continue offering assistance to Croats in Bosnia-Herzegovina.
Before the ceremony Kosor met with HDZ BiH president, Dragan Covic.