South Carolina is a state in the southern part of the United States. Formerly it was a component of the Province of Carolina. The name of the state comes from the name of King Charles I. Extra Space Storage has five storage properties in three cities in South Carolina. Two of these are located in Columbia, which is in the central part of the state. If you need storage accommodations in the eastern section of the state, you may use the facility in Charleston. The company also has storage facilities in Goose Creek.