Bulgaria has a parliamentary republic system with separation of powers among the legislative, executive, and judicial branches. The unicameral National Assembly consists of 240 deputies elected to four-year terms. The president is elected to a five-year term with one chance for reelection and serves as head of state and commander-in-chief. The Council of Ministers enacts policies in accordance with the constitution and laws. The judiciary protects citizens' rights through a system of regional, district, appellate, and supreme courts. Bulgaria is divided into 28 provinces governed by mayors and municipal councils elected to four-year terms, and has 17 representatives in the European Parliament.