Iran is a Middle-Eastern country also known as the Islamic Republic of Iran. The country follows a constitution that was ratified by referendum in 1979, and later amended in 1989. As it is an Islamic country has a theocratic government, in which most policies are based on Islamic religious ideologies. The supreme leader of the Islamic Republic is the ruler and the Commander-in-Chief of the country. The political structure of the country comprises of the supreme leader, the executive, the legislature, the judiciary, and other institutions such as the Assembly of Experts, the Expediency Discernment Council, and the City and Village Councils of Iran. The Iranian constitution outlines and defines the political, economic, and social structure of the country.