Not much
The Abbassid Caliphate capital was moved to BAGHDAD, IRAQ, because Syria had an Umayyad power-base and Baghdad was much closer to Persia, which was the Abbassid power-base.
Baghdad (currently is the capital of Iraq)
a sentence for baghdad is the people live in Baghdad
baghdad
Baghdad
Baghdad is the capital of Iraq
Baghdad is the capital of Iraq.
Baghdad is a city in Iraq
Baghdad is the capital of Iraq.
Baghdad is the capital of Iraq.
Baghdad is Baghdad, there is no former name for the city, nor Persepolis or Babylon.