Indian Ocean
From Tardis Wiki, the free Doctor Who reference
The Indian Ocean was an Earth ocean bordering Africa, Asia and Australia.
On 4 June 1926 the cargo ship SS Bernice vanished in the Indian Ocean. (DW: Carnival of Monsters)
Some time in the 1940s there was a bio-warfare scandal on a remote island in the Indian Ocean. (BFSJS: Mirror, Signal, Manoeuvre)