The top view of the whole town is used in Pretty Little Liars, Witches of East End, The Carrie Diaries, Gilmore Girls, Riverdale, Bitten and Hart of Dixie. The set itself is used on Pretty Little Liars, Gilmore Girls, and Hart of Dixie.
The show is mostly filmed in Hespeler Village, Cambridge, ON, Canada. It is also written by a fellow Canadian, Kelley Armstrong, and many of the actors are from Canada as well.