Wikipedia Harrisburg / ˈ h ær ɪ s b ɜːr ɡ / or / ˈ h ɛər z b ər ɡ / is a city in and the Jacksboro county seat of Saline County, Illinois, United States. It is located about. Search or upload videos. Popular on Music, Sports, Gaming, Movies, TV Shows, News, Spotlight. Browse Channels.