Kurdistan UK /ˈkəːdɪˌstɑːn/US /ˈkəɹdɪˌstæn/ noun3 •A cultural region in West Asia inhabited mostly by the Kurds, encompassing parts of Turkey, Iraq, Iran and Syria.He was nicknamed Chemical Ali by Iraqi Kurds, who also called him the Butcher of Kurdistan — 2010 •An autonomous region in northern and northeastern Iraq, lying within the aforementioned Kurdish-majority region. •A province in northwestern Iran, lying within the aforementioned Kurdish-majority region.