- Official name: Islamic Republic of Iran
- Continent: Asia
- Capital: Tehran
- Currency: IRR
- Time zone: UTC+3:30 (IRST)
Iran has an area of 1,648,195 km2 (636,372 sq mi). It lies between latitudes 24° and 40° N, and longitudes 44° and 64° E. It is bordered to the northwest by Armenia (35 km or 22 mi), the Azeri exclave of Nakhchivan (179 km or 111 mi), and the Republic of Azerbaijan (611 km or 380 mi); to the north by the Caspian Sea; to the northeast by Turkmenistan (992 km or 616 mi); to the east by Afghanistan (936 km or 582 mi) and Pakistan (909 km or 565 mi); to the south by the Persian Gulf and the Gulf of Oman; and to the west by Iraq (1,458 km or 906 mi) and Turkey (499 km or 310 mi).<br /> Iran consists of the Iranian Plateau, with the exception of the coasts of the Caspian Sea and Khuzestan. It is one of the world's most mountainous countries, its landscape dominated by rugged mountain ranges that separate various basins or plateaux from one another. The populous western part is the most mountainous, with ranges such as the Caucasus, Zagros, and Alborz, the last containing Mount Damavand, Iran's highest point at 5,610 m (18,406 ft), which is also the highest mountain in Asia west of the Hindu Kush.<br /> The northern part of Iran is covered by the lush lowland Caspian Hyrcanian mixed forests, located near the southern shores of the Caspian Sea. The eastern part consists mostly of desert basins, such as the Kavir Desert, which is the country's largest desert, and the Lut Desert, as well as some salt lakes.
The earliest attested archaeological artifacts in Iran, like those excavated at Kashafrud and Ganj Par in northern Iran, confirm a human presence in Iran since the Lower Paleolithic. Iran's Neanderthal artifacts from the Middle Paleolithic have been found mainly in the Zagros region, at sites such as Warwasi and Yafteh. From the 10th to the seventh millennium BC, early agricultural communities began to flourish in and around the Zagros region in western Iran, including Chogha Golan, Chogha Bonut, and Chogha Mish
Although tourism declined significantly during the war with Iraq, it has been subsequently recovered. About 1,659,000 foreign tourists visited Iran in 2004, and 2.3 million in 2009, mostly from Asian countries, including the republics of Central Asia, while about 10% came from the European Union and North America. Since the removal of some sanctions against Iran in 2015, tourism has re-surged in the country. Over five million tourists visited Iran in the fiscal year of 2014–2015, four percent more than the previous year