Geography of New York City Bronx and Manhattan from Northern New Jersey. The Harlem River, another tidal strait between the East and Hudson Rivers, separates Manhattan from the Bronx. The boroughs of New York City straddle the border between two geologic provinces of eastern North America. Brooklyn and Queens, located on Long Island, are part of the eastern coastal plain. Long Island is a massive moraine which formed at the southern fringe of the Laurentide Ice Sheet during the last Ice Age. The Bronx and Manhattan lie on the eastern edge of the Newark Basin, a block of the Earth's crust which sank downward during
Community boards of Manhattan named Spanish Harlem or El Barrio Besides two neighborhoods, located on the same named islands are parts of the District: There is Mount Morris Park in the District. Consists of two neighborhoods: Inwood Hill Park is located in the District. Marble Hill, while legally a part of New York County ("Manhattan") is represented primarily by Bronx Community Board 8 and also by Bronx Community Board 7. Within the borough of Manhattan there is one Joint Interest Area (JIA), which is outside of the jurisdiction of individual community districts, and have their own district number. The JIA in New York county