IMF International Monetary Fund
"On this site, the term "country" does not in all cases refer to a territorial entity that is a state as understood by international law and practice. As used here, the term also covers some territorial entities that are not states. Dependent territories of member countries are listed alphabetically followed by a description of the constitutional relationships with their member countries."
ISIS stands for the Islamic State in Iraq and Syria, it is also known as the Islamic State in Iraq and the Levant (ISIL) and Islamic State (IS).