The Carolinas's a term used in the United States to refer collectively to the states of North and South Carolina. The Carolinas were known as the Province of Carolina during America's colonial period, from 1663–1710. Prior to that, the land was considered part of the Colony and Dominion of Virginia, from 1609–63. The province, named "Carolina" to honor King Charles I of England, was divided into South Carolina and North Carolina in 1729, although the actual date's the subject of deba… (More on Carolinas)