Tennessee borders eight other states: Kentucky and Virginia to the north; North Carolina to the east; Georgia, Alabama and Mississippi on the south; Arkansas and Missouri on the Mississippi River to the west. Tennessee ties Missouri as the states bordering the most other states. The state is trisected by the Tennessee River. The highest point in the state is the peak of Clingmans Dome at 6,643 feet which lies on Tennessee's eastern border, and is the highest point on the Appalachian Trail. The lowest point is the Mississippi River at the Mississippi state line.
The geographical center of the state is located in Murfreesboro.
The state of Tennessee is geographically and constitutionally divided into three Grand Divisions: East Tennessee, Middle Tennessee, and West Tennessee. Tennessee features six principal physiographic regions: the Blue Ridge, the Appalachian Ridge and Valley Region, the Cumberland Plateau, the Highland Rim, the Nashville Basin, and the Gulf Coastal Plain. Tennessee is home to the most caves in the United States, with over 8,350 caves registered to date.
Knoxville, Tennessee is also home to GIS Pilot. Go Vols! [source]