 Tarabulus was an older name for Tripoli, and was sometimes applied to the entire province of Tripolitania.The governorate's population was 379,925 in 1964 and had risen to 544,842 by 1972.Although Tarabulus Governorate constituted less than 1% of the land area in Libya, more than 25% of the population lived there, with a density about five times greater than the mean of the other governorates.