Naram-Sin defeated Manium of Magan, and various northern hill tribes in the Zagros, Taurus, and Amanus Mountains, expanding his empire up to the Mediterranean Sea and Armenia. His Victory Stele depicts his triumph over Satuni, chief of Lullubi in the Zagros Mountains. The king list gives the length of his reign as 56 years, and at least 20 of his year-names are known, referring to military actions against various places such as Uruk and Subartu. One unknown year was recorded as the Year when Naram-Sin was victorious against Simurrum in Kirasheniwe and took prisoner Baba the governor of Simurrum, and Dubul the ensi of Arame. Other year names refer to his construction work on temples in Akkad, Nippur, and Zabala. He also built administrative centers at Nagar and Nineveh. At one point in his reign much of the empire, led by Iphur-Kis from the city of Kish rose in rebellion and was put down strongly.