NOTOC There is more than one place called Newark: Germany Neuwerk - A tidal island United Kingdom Newark-on-Trent - A town in England. United States of America Newark (California) A town in the state of California. Newark (Delaware) A town in the state of Delaware. Newark (New Jersey) A city in the state of New Jersey. Newark Liberty International Airport (IATA: EWR), one of the three major airports serving New York City. Newark (New York) A village in the state of New York. Newark (Ohio) - A town in the state of Ohio.