Hamad?n or Hamed?n (Persian: ??堹塈?, Old Persian: Hagmatana, Ancient Greek: Ecbatana) is the capital city of Hamadan Province of Iran. At the 2006 census, its population was 473,149, in 127,812 families.

Hamedan is believed to be among the oldest Iranian cities and one of the oldest in the world. It is possible that it was occupied by the Assyrians in 1100 BCE