New Orleans
From Tardis Wiki, the free Doctor Who reference
New Orleans was a city in the United States of America. It was in the state of Louisiana. (PROSE: The City of the Dead)
The Lankester sailed to New Orleans from Madagascar every year up until its sinking in 1901. The Sixth Doctor and Peri Brown took a trip aboard the Lankester to journey to New Orleans. (AUDIO: Cryptobiosis)
The Eighth Doctor, Fitz Kreiner and Anji Kapoor visited New Orleans in the early 21st century. (PROSE: The City of the Dead)
Location information
Though it's possible that a real world location doesn't exist in the same geographic space in the Doctor Who universe, such cases are few and far between. Thus, the map to the right is probably a good indicator of the DWU location of New Orleans.
