Bayonne is a city in Hudson County in the U.S. state of New Jersey. Located in the Gateway Region, Bayonne is situated on a peninsula between Newark Bay to the west, the Kill Van Kull to the south, and New York Bay to the east. As of the 2020 United States census, the city was the state's 15th-most-populous municipality, surpassing 2010 #15 Passaic, with a population of 71,686, an increase of 8,662 (+13.7%) from the 2010 census count of 63,024, which in turn reflected an increase of 1,182 (+1.9%) from the 61,842 counted in the 2000 census. The Census Bureau's Population Estimates Program calculated that the city's population was 69,527 in 2022, ranking the city the 543rd-most-populous in the country.

The Cape Liberty Cruise Port is one of three trans-Atlantic passenger terminals in the Port of New York and New Jersey. It is located in Bayonne, New Jersey at the north side of the 2 mi (3.2 km) long pier of the Peninsula at Bayonne Harbor, a former military ocean terminal, and began operations in 2004.