Analysis of space political divisions system in Iran

The Countrys divisions is the process of countrys space break to smaller units in order to easier governing, better security, and improving social and economical conditions. In fact, it is one of the most important implementations that governments use in order to managing the countrypolitical environment. In Iran, the countrys divisions has a long history. It came back to the first kingdom of Iran (Achaemenid Empire) and continues unit now. Governments use this to better governing of the countrys region. We can see that in this long history (about 2500 years) many factors such as Countrys geographical extent, regions natural traits.Dispersal and diversity of races, descents and religions, military issues, urban centers and etc. Have had influenced countrys divisions. In resent period factors such as ecological minorities, strategic environment, countrys peripheral regions etc. Also have influence in this field.