Enugu is the capital city of Enugu State in Nigeria. The city had a population of 722,664 spread across the three LGAs of Enugu East, …Enugu is the capital city of Enugu State in Nigeria. The city had a population of 722,664 spread across the three LGAs of Enugu East, Enugu North and Enugu South, according to the 2006 Nigerian census.