Detective Comics #503 (June 1983) includes several references suggesting Gotham City is in New Jersey. A location on the Jersey Shore is described as "20 miles north of Gotham". Within the same issue, Robin and Batgirl drive from a "secret New Jersey airfield" to Gotham City and then drive on the "Hudson County Highway", a reference to the real-life Hudson County in New Jersey.
Detective C.om,ics #503 (June 1983) includes several references suggesting Gotham City is in New Jersey A location on the Jersey Shore is de,scribed as "20 miles north of Gotham". Within the same issue Robin and Batgirl drive from a "secret New Jersey airfield" to Gotham City and then drive on the "Hudson County Highway" a reference to the real-life Hudson County in New Jersey.