Georgetown is the third oldest city in the U.S. state of South Carolina and the county seat of Georgetown County, in the Lowcountry. As of the 2010 census it had a population of 9,163. Located on Winyah Bay at the confluence of the Black, Great Pee Dee, Waccamaw, and Sampit rivers, Georgetown is the second largest seaport in South Carolina, handling over 960,000 tons of materials a year.
Georgetown was the commercial center of an indigo- and rice-producing area. It is the birthplace of former First Lady Michelle Obama's grandfather, Fraser Robinson. Many of Michelle Obama's Robinson relatives still reside in Georgetown.
Georgetown is located at 33°22′3″N 79°17′38″W (33.367434, -79.293807).
According to the United States Census Bureau, the city has a total area of 7.5 square miles (19.5 km2), of which 6.9 square miles (17.9 km2) are land and 0.62 square miles (1.6 km2), or 8.06%, is water.
Winyah Bay formed from a submergent or drowned coastline. The original rivers had a lower baseline, but either the ocean rose or the land sank, flooding the river valleys and making a good location for a harbor.
U.S. Routes 17, 17A, 521, and 701 meet in the center of Georgetown. US 17 leads southwest 60 miles (97 km) to Charleston and northeast 34 miles (55 km) to Myrtle Beach, US 701 leads north 36 miles (58 km) to Conway, US 521 leads northwest 82 miles (132 km) to Sumter, and US 17A leads west 32 miles (51 km) to Jamestown.