"...house was almost destroyed, but I got him out all right before the Muggles started swarmin' around. He fell asleep as we was flyin' over Bristol."
-- Hagrid (PS1)
Hagrid flew the motorcycle over this city on his way to Privet Drive, at which time baby Harry fell asleep (PS1). Bristol is a city located in southwestern England near Chipping Sodbury, where Rowling grew up.
Location: Map of Wizarding Britain