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