 the croatian democratic union of bosnia and herzegovina () is the largest political party of croats of bosnia and herzegovina. it is an observer member of the european people's party (epp). the party was formed on 18 august 1990, at the 1st party convention held in sarajevo, and it has participated in all multi-party elections held in bosnia and herzegovina since 1991. it regularly won the support of the croatian electorate up to 2000, and participated in the government. it returned to power in 2002, where it remained until 2010. at the legislative election of october 2002, the party was part of the croatian coalition (koalicija), that won 9.5% of 
Catholic_political_parties Conservative_parties_in_Bosnia_and_Herzegovina Croat_political_parties_in_Bosnia_and_Herzegovina Ethnic_political_parties History_of_the_Croats_of_Bosnia_and_Herzegovina Political_parties_of_minorities