Oxford

From TARDIS Index File, the free Doctor Who reference.

Oxford was a city in Oxfordshire, England. It was the location of a university.

The Doctor and Nyssa visited there in 1278. (PDA: Asylum)

In 1883 Reverend Ernest Matthews traveled from there to Gabriel Chase in order to meet with Josiah Samuel Smith. (DW: Ghost Light)

In 1993, the Doctor, Ace and Bernice Summerfield visited Oxford. (NA: The Dimension Riders)