Fildes Strait is a strait which extends in a general east-west direction between King George Island and Nelson Island

Nelson Island (South Shetland Islands)

Nelson Island is an island long and wide, lying southwest of King George Island in the South Shetland Islands, Antarctica. Nelson Island is located at...

, in the South Shetland Islands

South Shetland Islands

The South Shetland Islands are a group of Antarctic islands, lying about north of the Antarctic Peninsula, with a total area of . By the Antarctic Treaty of 1959, the Islands' sovereignty is neither recognized nor disputed by the signatories and they are free for use by any signatory for...

. This strait has been known to sealers in the area since about 1822, but at that time it appeared on the charts as Field's Strait. Probably named for Robert Fildes, a British sealer of that period.