Charleston County, South Carolina, USA
County or equivalent
Location overview

Charleston County spans part of South Carolina’s Atlantic Lowcountry, with Charleston as its county seat. Its coast includes barrier islands, tidal creeks and salt marshes, while the Ashley and Cooper rivers meet at Charleston Harbor. Historic downtown Charleston, mainland suburbs and rural island communities give the county a varied landscape. The harbor supports seaport trade, and tourism draws on the area’s beaches and historic sites.