Hamadan (pronounced [hæmedɒːn]) or Hamedan (Persian: همدان, Hamedān) (Old Persian: Haŋgmetana, Ecbatana) is the capital city of Hamadan Province of Iran.At the 2019 census, its population was 783,300 in 230,775 families. The majority of people living in Hamadan identify as ethnic Persians.. Hamedan is believed to be among the oldest Iranian cities.