The supreme leader of Iran ), also referred to as supreme leader of the Islamic Revolution, but officially called the Supreme Leadership Authority, is the head of state and the highest political and religious authority of the Islamic Republic of Iran. The armed forces, judiciary, state television, and other key government organizations such as the Guardian Council and Expediency Discernment Council are subject to the Supreme Leader. According to the constitution, the Supreme Leader delineates the general policies of the Islamic Republic, supervising the legislature, the judiciary, and the executive branches. The current lifetime officeholder, Seyyed Ali Hosseini Khameneh known as Ali Khamenei, has issued decrees and made the final decisions on the economy, the environment, foreign policy, education, national planning, and other aspects of governance in Iran. Khamenei also makes the final decisions on the amount of transparency in elections, and has dismissed and reinstated presidential cabinet appointees. The Supreme Leader is legally considered "inviolable", with Iranians being routinely punished severely for questioning or insulting him.

Iran, also known as Persia and officially the Islamic Republic of Iran (IRI), is a country in West Asia. It is bordered by Iraq to the west and Turkey to the northwest, Azerbaijan, Armenia, the Caspian Sea and Turkmenistan to the north, Afghanistan to the east, Pakistan to the southeast, the Gulf of Oman and the Persian Gulf to the south. With a mostly Persian-ethnic population of almost 90 million in an area of 1,648,195 km2, Iran ranks 17th globally in both geographic size and population. It is the sixth-largest country entirely in Asia, the second-largest in West Asia, and one of the world's most mountainous countries. Officially an Islamic republic, Iran has a Muslim-majority population. The country is divided into five regions with 31 provinces. The nation's capital and most populous city is Tehran, with around 16 million people in its metropolitan area. Other major cities include Mashhad, Isfahan, Karaj, and Shiraz.