The government ( Croatian : Vlada ) , the main executive power of Croatia , is headed by the prime minister who have four deputies , three of whom also serve as government ministers. there are seventeen other ministers who are appointed by the prime minister with the consent of the Sabor ; these are in charge of particular sectors of activity . As of 23 December 2011 , the Deputy Prime Ministers are Radimir Čačić , Neven Mimica , Branko Grčić , and Milanka Opačić . Government ministers are from the Social Democratic Party of Croatia ( SDP ) , and the Croatian People 's Party - Liberal Democrats ( HNS ) and Istrian Democratic Assembly ( IDS ) . The executive branch is responsible for proposing legislation and a budget , executing the laws , and guiding the country 's foreign and domestic policies . The government 's official residence is at Banski dvori . As of 23 December 2011 , the prime minister is Zoran Milanović .