Hamadan is believed to be among the oldest Iranian cities and one of the oldest in the world. Hamadan has a green mountainous area in the foothills of the 3,574-meter Alvand Mountain, in the mid-west part of Iran. The city is 1,850 meters above sea level . The special nature of this old city and its historic sites attract tourists during the summer to this city, located approximately 360 kilometers southwest of Tehran . The main symbols of this city are the Ganj Nameh inscription, the Avicenna monument and the Baba Taher monument. Hamadan province lies in a temperate mountainous region to the east of