Sundra Strait
From Tardis Wiki, the free Doctor Who reference
The Sundra Straits was the location of Krakatoa, an Indonesian island (COMIC: Under the Volcano) which the Third Doctor once recalled visiting during the 1883 eruption. (TV: Inferno) Also present that day were the Ninth (AUDIO: Her Own Bootstraps) and Tenth Doctors, (COMIC: Under the Volcano) with a sketch of the former washing up on a beach on Sumatra. (TV: Rose)