The Country Iran with 1648195 kilometers square areas is located in southern part of north moderate zone between 25 03' and 39 47' of northern latitude from equator circle and 44 14' and 63 20' eastern longitude from Greenwich meridian. Nearly 90 percent of Iran territory is situated in Iran Plateau district. Generally Iran is mountainous and semidry land, which its mean altitude is more than 1200 meters above sea level. More than one half of Iran consists of mountains, one quarter is plains and deserts and less than one quarter is farming lands. Lut Desert with 56 meters altitude is the lowest internal point and Damavand Summit in central Alborz Mountains with 5628 meters altitude is the highest point of Iran. In southern coast of Caspian Sea, the altitude of the ground is 28 meters lower than sea level.