Islamic State loses almost quarter of territory The so-called Islamic State (IS) lost almost 18,000 square km of its territory in 2016, according to defence analysts IHS Conflict Monitor. The 23% reduction compares to a loss of 14 percent the year before Area controlled by IS as of Dec 31, 2016. 60,400 sq km Area gained by IS in 2016 Area lost by IS in 2016 Area lost by IS in 2015 TURKEY IRAN LEBANON JORDAN SAUDI ARABIA IRAQ SYRIA 100km 60 miles Deir al-Zour Damascus Fallujah Ramadi Rutbah Tikrit Haditha Qaim Palmyra Baiji Baghdad Kirkuk Hawija Irbil Shirgat Tal Afar Mosul Raqqa IS HQ Hasakah Kobane Manbij Al-Bab Homs Aleppo Source: IHS Conflict Monitor