Population density: 43.9 per kmē
Borders: A total of 5,440 km. Of this, to Azerbaijan 611 km, Armenia 35 km, Turkey 499 km, Iraq 1,458 km, Pakistan 909 km, Afghanistan 936 km, Turkmenistan 992 km.
Coastline: 2,440 km plus 740 km to the Caspian Sea.
Highest point: Kuh-e Damavand 5,671 m
Lowest point: Caspian Sea -28 m
Arable land: 10.2%
Iran has a continental climate with forests in the north and the west. But desert dominates in the central regions, and semi-desert in the east and south.
Iran is one of the most mountainous countries in the world, and all principal cities are at altitudes of 1,000 metres or more. This provides for a milder climate in summer, but results in snow in winter.
74 km. This is a river of Iraq, which at its last leg forms the border between Iran and Iraq. The river is in total 170 km.