Soltaniyeh is located in the north of Soltaniyeh mountains and south of Tarom mountains in the vicinity of Tehran, Zanjan, Bazargan transit road at the height of 1880 meters above the sea level in 40 km southeast of Zanjan province. Soltaniyeh grasslands (one of the world's most beautiful grasslands), positioning of the surrounding mountains and their height, placing it in the rows of windy areas are the causes of mild weather of this region which is inclined to be cold and arid.
Current Soltaniyeh as the capital of a part consists of 3 rural districts named “Soltaniyeh”,”Sonbol Abad”,”Gezeldareh”.
Soltaniyeh has been noteworthy in terms of various ethnic groups.
Economic causes were important in its formation. According to the historical evidence, this city has been constructed in Ilkhanid Mongols dynasty and obtained the characteristics of cities in the Islamic period.
In addition to Arg, there are a series of public, religious, educational and economic monuments in Soltaniyeh being set up in different parts of the city due to their builders' thoughts and their positions. Soltaniyeh and Oljaito tomb are the symbols of the city accordingly.
The rich sources of groundwater and nearby rivers which flow in the southwest, southeast, and northwest to Soltaniyeh are used for agriculture and drinking.
Now, Soltaniyeh is able to develop and progress through preserving its traditional appearance and historical heritage which has played a major role in the field of tourism of the province in recent years.