Operation Muharram is known as one of exterritorial operations of Iran, too; because, advance in the territory of Iraq was planned as well as liberation plan of Iran's occupied lands. Operational area of Muharram was limited from the east to Doyrej river, and from the west to the frontier highlands of Jabal-al-Hamrain and Jabal-al-Fuqi. The operation was regarded as the continuation of Operation Fath ol-Mobin that could complete its goals by winning in that.