Troy
From TARDIS Index File, the free Doctor Who reference.
Troy was a city located in the far west of ancient Anatolia, later Turkey. It was the site of the Trojan War, fought between the Greeks and Trojans circa 1200 BCE. The Doctor, Steven Taylor and Vicki visited Troy at the end of the war and met Katarina. (DW: The Myth Makers)
The Rani had also visited Troy during the war. (DW: The Mark of the Rani)
