Gaul

Gaul was a region in Europe that existed around the time of the Roman Empire. Flavius Giscard campaigned in Gaul while the First Doctor, Ian Chesterton, Barbara Wright and Vicki stayed at his villa. (TV: "The Slave Traders")

In a alternate timeline where all of history occurred at once after River Song refused to kill the Eleventh Doctor, Holy Roman Emperor Winston Churchill went to Gaul to speak with Cleopatra. (TV: The Wedding of River Song)