Philippines
From Tardis Wiki, the free Doctor Who reference
The Philippines was a nation in Asia.
In 2059, the Philippines was rumoured to be working on a Mars rocket. Margaret Cain thought the Tenth Doctor might have been a Filipino astronaut. (TV: The Waters of Mars)
In 5000, the Philippines took part in World War VI, which ended when the Filipino Army marched on Reykjavik and liberated it from the Supreme Alliance. The Doctor marched alongside them and witnessed the final battle. (TV: The Talons of Weng-Chiang)