_#_Constitution: 11 June 1975
_#_Legal system: NA
_#_National holiday: Independence Day (proclamation of the war of independence), 25 March (1821)
_#_Executive branch: president, prime minister, Cabinet
_#_Legislative branch: unicameral Greek Chamber of Deputies (Vouli ton Ellinon)
_#_Judicial branch: Supreme Court
_#_Leaders:
Chief of State—President Constantinos KARAMANLIS (since 5 May 1990);
Head of Government—Prime Minister Constantinos MITSOTAKIS (since 11 April 1990)
_#_Political parties and leaders: New Democracy (ND; conservative), Constantinos MITSOTAKIS; Panhellenic Socialist Movement (PASOK), Andreas PAPANDREOU; Democratic Renewal (DIANA), Constantine STEFANOPOULOS; Communist Party (KKE), Aleka PAPARIGA; Greek Left Party (EAR), Leonidas KYRKOS; Ecologist-Alternative List, leader NA; note—KKE and EAR have joined in the Left Alliance, Maria DAMANAKI, president