Sanader said that Vukovar was a symbol of the Homeland War and that each day of its defence meant additional time to prepare for the defence of the rest of Croatia.
The delegation of the HDZ, which is to hold its 10th convention in Vukovar today, also included the president of the European People's Party (EPP), Wilfried Martens, a guest at the convention.
The HDZ delegation, which included party vice-president and Deputy Prime Minister Jadranka Kosor, HDZ Presidency member and Parliament Speaker Vladimir Seks, and other senior party and state officials, laid a wreath and lit candles at the monument at Vukovar's Memorial Cemetery of Homeland War Victims.