I will admit to some bias in favour of the New Jersey locale, having made reference to it when co-writing the Daily Planet Guide to Gotham
for West End Games back in 2000. I rationalized it by referring to Shadow of the Bat Annual
# 1. A murder victim's driver's license explicitly refers to "Gotham City, NJ" therein.
As for the efforts of "Doomurker", they're certainly impressive. I do wish that "Doomurker" had made allowance for Blüdhaven's "next-door neighbour" status.
opinion on Metropolis, unsanctioned by DC: the comics' version is in Rhode Island. Or it was from 1986 to 2011. After Flashpoint