'''Tripoli''' (; , ; ) is the capital and largest city of Libya, with a population of about three million people in 2019. It is located in the northwest of Libya on the edge of the desert, on a point of rocky land projecting into the Mediterranean Sea and forming a bay. It includes the port of Tripoli and the country's largest commercial and manufacturing center. It is also the site of the University of Tripoli. The vast  barracks, which includes the former family estate of Muammar Gaddafi, is also located in the city. Colonel Gaddafi largely ruled the country from his residence in this barracks.