Welcome to the Williamson County Tourism Bureau located in beautiful Southern Illinois. Home to Herrin, Carterville, Johnston City and our county seat of Marion, Williamson County is where Interstate 24, 57 and Illinois Route 13 intersect. While we can not quite prove Marion?s claim as the Hub of the Universe we are definitely the Hub for Southern Illinois with the largest collection of shopping, lodging, wineries and eating establishments in the region. Williamson County is also home to some amazing hunting and fishing opportunities. Whether you're looking to visit some of our attractions or the major sites around the region such as the new World Shooting Complex at Sparta, the American Quilters Society Museum in Paducah, nearby Southern Illinois University, the scenic beauty of the area or to simply sample the tastes of the Shawnee Hills Wine Trail, let us serve you. Make Williamson County your base on your next trip to Southern Illinois.