North Carolina is a state in the Southeastern United States. The state borders South Carolina and Georgia to the south, Tennessee to the west, Virginia to the north and the Atlantic Ocean to the east. North Carolina is the 28th most extensive and the 10th most populous of the 50 United States. North Carolina is known as the Tar Heel State and the Old North State. North Carolina is composed of 100 counties. Its capital is Raleigh, and its largest city is Charlotte.