newark nj is what borough
East Newark, New Jersey. (Redirected from East Newark Borough, New Jersey) East Newark is a borough in Hudson County, New Jersey, United States. It's a suburb of the nearby city of Newark. The Borough of East Newark was established on July 3, 1895, from portions of Kearny lying between the Erie Railroad's Newark Branch right of way and Harrison, based on the results of a referendum held the previous day.