Wilson Harbour is a bay

Bay

A bay is an area of water mostly surrounded by land. Bays generally have calmer waters than the surrounding sea, due to the surrounding land blocking some waves and often reducing winds. Bays also exist as an inlet in a lake or pond. A large bay may be called a gulf, a sea, a sound, or a bight...

 1.5 miles (2.4 km) wide and 3 miles (4.8 km) long, between Kade Point

Kade Point

Kade Point is a point separating Ice Fjord and Wilson Harbor on the south coast of South Georgia. Kade Point is an established name dating back to about 1912....

 and Cape Demidov

Cape Demidov

Cape Demidov is a cape which forms the south side of the entrance to Wilson Harbour, on the south coast and near the western end of South Georgia. It was discovered by a Russian expedition under Bellingshausen in 1819, and named for Lieutenant Dimitri Demidov of the Vostok....

 along the south coast of South Georgia. This coast was roughly charted by a Russian expedition under Bellingshausen in 1819. Wilson Harbour was named about 1912, probably for J. Innes Wilson, who sketched some of the inland portions of the island

Island

An island or isle is any piece of sub-continental land that is surrounded by water. Very small islands such as emergent land features on atolls can be called islets, cays or keys. An island in a river or lake may be called an eyot , or holm...

at about that time.