Marble Hill is a neighborhood outside of the New York City.
Manhattan ( [ mænˈhætən ] , [ mənˈhætən ] ) is the most densely populated borough of New York City , its economic and administrative center , and the city 's historical birthplace . Marble Hill, Manhattan . It is the only Manhattan neighborhood on the mainland of North America . Because of this change in geography , Marble Hill is often associated with the Bronx and is part of two of the latter 's Community Board Districts . The Bronx ( [ ˈbrɒŋks ] ) is the northernmost of the five boroughs of New York City , within the U.S. state of New York .