- Hamadan (or Hamedan) is known as "Older Than History," one of the oldest continuously occupied cities in the world is located about 290 km (180 mi) southwest of Tehran. Situated at the foot of Mount Alvand, Hamadan lies at an elevation of over 1,830 m (6,000 ft).
- The first Median capital was founded here in Hamadan (called Ecbatana by Greeks ) around the ninth century BC.
- Cyrus the Great defeated the last Median king so Hamadan served as a summer capital of Achaemenian (559-330 BC) and has been a summer resort area since. Hamadan was described as one of the lavish cities, with precious metals, and magnificent palaces. The wealth attracted invading armies. see Cyrus Tomb
- After Arab Conquest, Hamadan lost its importance in the mid 7th century.
- Under Seljuqs was the regional capital for about 60 years.
- It was taken from the Persians by Alexander the Great in 330 AD and sacked by the Mongols in 1220 and again by Timur (Tamerlane) in 1386. The city was restored in the 17th century. It has frequently changed hands among Iran, Iraq, and Turkey.
- There has been some valuable archaeological findings in the 20th century.
- The Population is over 400,000. The majority are Persian with significant number of Azari minority who speak turkish plus a sizable Jewish community.
- Hamadan is famous for pottery, ceramics, and carpets. Hamadan is an important trade center. Leather goods and rugs are produced; as a market for carpets, it is second only to Kerman. Grains and fruit grow in abundance locally.