Islamic State-controlled territory, July 2014 to July 2015
Despite nearly 6,000 airstrikes by a U.S.-led coalition, Islamic State militants expanded the borders of their self-declared caliphate in the last year. The map below shows how territorial control has shifted, with notable gains in central Syria and western Iraq, as well as losses near the Syrian border with Turkey.
Drag the middle slider with your mouse to see changes between 2014 and 2015.
Source: Institute for the Study of War