The following maps come from a recent Congressional Research Service report, “Armed Conflict in Syria: Overview and U.S. Response.”
Iraq and Syria: ISIS’s Areas of Influence, August 2014 to August 2015
Source: Map and text produced by U.S. Department of Defense, September 2015.
Syria Conflict Map: Estimated Areas of Control as of October 1, 2015
Source: Tim Wallace, New York Times. Area of control data source is Carter Center, October 1, 2015.
Notes: All areas approximate. Yellow area of “Rebel Control” includes areas under Jabhat al Nusra (Al Qaeda affiliate) control, and includes
areas controlled by a wide variety of anti-Asad forces. White color denotes sparsely populated or unpopulated areas.