Hamadān or Hamedān (Old Persian: Haŋgmetana, Ecbatana) is the capital city of Hamadan Province of Iran.
The province of Hamadan covers an area of 19,546 sq. km. and is located to the west of Iran. The province lies in an elevated region, with the 'Alvand' mountains, running from the north west to the south west. This mountainous area is to the south west and east of the Hamadan city. To the east of Hamadan, and east of the heights of Alvand, that is in between the mountains of 'Alvand' and 'Gerou' or (Gerin), in the south, are the plains.
Hamadan province lies in a temperate mountainous region to the east of Zagros. The vast plains of the north and northeast of the province are influenced by strong winds, that almost last throughout the year.
Hamadan is in the vicinity of the Alvand mountains and has a dry summer continental climate, in transition with a cold semi-arid climate, with snowy winters.
Hamadan is believed to be among the oldest Iranian cities and one of the oldest in the world.
The main symbols of this city are the GanjNameh inscription, the Avicenna monument and the Baba Taher monument. The majority of the population is Persian; however, there is a considerable Azerbaijani minority.