Baffin Island located on the southeastern coast. Until 1987, the town shared the name Frobisher Bay with the bay on which it is located. To the south lies Hudson Strait, separating Baffin Island from mainland Quebec. South of the western end of the island is the Fury and Hecla Strait which separates the island from the Melville Peninsula on the mainland. To the east are Davis Strait and Baffin Bay, with Greenland beyond. The Foxe Basin, the Gulf of Boothia and Lancaster Sound separate Baffin Island from the rest of the archipelago to the west and north. The Baffin Mountains run along
Investigator Strait boundary with Gulf St Vincent is the line from Troubridge Point on Yorke Peninsula to Cape Jervis on Fleurieu Peninsula. Its boundary with Backstairs Passage is the line from Cape Jervis on Fleurieu Peninsula to Kangaroo Head (west of Penneshaw) on Kangaroo Island. Flinders noted that Backstairs Passage is a body of water separate to Investigator Strait. The boundary between the strait and Nepean Bay on the north-east coast of Kangaroo Island is a line between Point Marsden and Kangaroo Head. The Strait’s western boundary by definition is the line from Cape Spencer on Yorke Peninsula to Cape Borda on