States and territories established in the 20th century BC

250px|right|thumb|Mesopotamia in the time of [[Hammurabi]] Larsa (, read Larsamki), also referred to as Larancha/Laranchon (Gk. Λαραγχων) by Berossos and connected with the biblical Ellasar, was an important city-state of ancient Sumer, the center of the cult of the sun god Utu with his temple E-babbar. It lies some southeast of Uruk in Iraq's Dhi Qar Governorate, near the east bank of the Shatt-en-Nil canal at the site of the modern settlement Tell as-Senkereh or Sankarah.

Egyptian dynasty from 1991 to 1802 BCE

Isin (, modern Arabic: Ishan al-Bahriyat) is an archaeological site in Al-Qādisiyyah Governorate, Iraq which was the location of the Ancient Near East city of Isin, occupied from the late 4th millennium Uruk period up until at least the late 1st millennium BC Neo-Babylonian period. It lies about southeast of the modern city of Al Diwaniyah.

Qatna (modern: , Tell al-Mishrifeh; also Tell Misrife or Tell Mishrifeh) was an ancient city located in Homs Governorate, Syria. Its remains constitute a tell situated about northeast of Homs near the village of al-Mishrifeh. The city was an important center through most of the second millennium BC and in the first half of the first millennium BC. It contained one of the largest royal palaces of Bronze Age in Syria and has an intact royal tomb that has provided a great amount of archaeological evidence on the funerary habits of that period.

Ancient Sumerian dynasty