Situated on the west coast of Africa, Sierra Leone has an area of 71,740 sq km (27,699 sq mi), extending 338 km (210 mi) N–S and 304 km (189 mi) E–W. Comparatively, the area occupied by Sierra Leone is slightly smaller than the state of South Carolina. It is bounded on the N and E by Guinea, on the SE by Liberia, and on the S and W by the Atlantic Ocean, with a total boundary length of 1,360 km (845 mi), of which 402 km (250 mi) is coastline. In addition to the mainland proper, Sierra Leone also includes the offshore Banana and Turtle islands and Sherbro Island, as well as other small islets.
Sierra Leone's capital city, Freetown, is located on the Atlantic Coast.