Ok, I'll play along .........
https://batman.wikia.com/wiki/South_Hinkley
South Hinkley, also known as Lower Gotham or
Sandy Hook, is borough in Downtown Gotham City. First appearing in Batman: Gotham Knight and last appearing in The Dark Knight Rises, this location plays a big role in in Bane's plan to destroy Gotham.
The map which includes the place-name
Sandy Hook was apparently distributed as part of a viral marketing campaign for Dark Knight Rises.
Check the date on this article ....
The Dark Knight Rises viral campaign continues
Bane's "strike zones" revealed
Dec 16th 2011
https://www.totalfilm.com/news/the-dark-knight-rises-viral-campaign-continues
And again, the date on this one ....
BATMAN:
A Closer Look at the Gotham Map from the Viral Campaign
For you CBM sleuths who need a closer look at that map recently sent to us for the Batman TDKR viral campaign, I unravelled it from the mail tube and took a pic for you to go over with a magnifying glass. Go to it! And let us know what it means.
ComicBookMovie - 12/15/2011
As you know, select fansites recieved a Dark Knight Rises T-shirt in the mail today, and the tube which it came in had a map on it with mysterious strategery marked upon it. This is what it looks like when flattened.
The Batman archive site where nosey found the map ....
batmangothamcity.net was
registered on April 23, 2012 by a guy named James Stamp from .................. New Haven,
Connecticut
Allegedly a
male in his early 70's
His contact email host is listed as
jamestamp.com which is registered to an address in New Orleans,
Louisiana with a yahoo email contact.
jamestamp.com features the blog of one Jimmy Stamp, according to their c.v.. a writer on architecture and currently a "
research associate at Yale University".
*He does list having worked in New Orleans for a time.
p.s.
Be careful with your searches jame
sstamp.com (two S's in the middle not one) ............
https://www.jamesstamp.com/contact.html is apparently a portable building/toilet hire outfit in Lincolnshire United Kingdom.