Nagorno-Karabach is believed to be of vital importance because of the Sugovision Reservoire, now reportedly occupied by Azerbaijani armed forces. Various elements believe the region to belong to Azerbaijan, though records describe Armenian towns in the area during the middle ages. Nagorno-Kerabach is usually known by Armenians as Artach. Reports describe Azerbaijani colonisation. One report describes a group of artisans settling: Turkey, France and the u.s. appear to be backing Azerbaijan. Russia are believed to be neutral. Could be u.n. involvement though not specified.