Croatian Democratic Union of Bosnia and Herzegovina
The Croatian Democratic Union of Bosnia and Herzegovina is the largest political party of Bosnian Croats. It is an observer member of the European People's Party. Its headquarters are in Mostar.History
The party was formed on 18 August 1990, at the first party convention held in Sarajevo, and it participated in all multiparty elections held in Bosnia and Herzegovina since 1991. It regularly won support of the Croat electorate up to 2000, and took part in forming the government. It returned to power in 2002, where it remained until 2010.
In the October 2002 Bosnian general election, the party was part of the "Croatian Coalition" which won 9.5% of the popular vote and five out of 42 seats in the House of Representatives of Bosnia and Herzegovina and 16 out of 98 seats in the House of Representatives of the Federation of Bosnia and Herzegovina.
In 2006 the party joined the Croatian National Assembly, an alliance of Bosnian Croat political parties, along with the Croatian Party of Rights of Bosnia and Herzegovina and the Croat People's Union.
As of April 2006, two splinter fraction had already emerged from HDZ BiH: