Geography of New York City

New York City is a very special place because of where it is located. It sits near the water, where the Hudson River meets the Atlantic Ocean. This makes the city have a natural harbor that helps ships come and go easily.

Satellite image showing most of the five boroughs, portions of eastern New Jersey, and the main waterways around New York Harbor

Because there isn’t a lot of land to build on, New York City has many people living very close together. This makes it the most crowded big city in the United States. Even though there are so many people, the city uses energy wisely and doesn’t need many cars, which helps keep things cleaner.

The weather in New York City is mild, with warm summers and cool winters, making it comfortable to live and visit throughout the year.

Geography

The five boroughs of New York City

New York City is located on the coast of the Northeastern United States at the mouth of the Hudson River. It sits in the New York–New Jersey Harbor Estuary, with deep waters and sheltered bays that helped the city become important for trading. Much of the city is built on three islands: Manhattan, Staten Island, and part of Long Island. Because there isn’t much land, many people live close together.

The Hudson River flows from the Hudson Valley into New York Bay, separating the Bronx and Manhattan from New Jersey. The Harlem River separates Manhattan from the Bronx. Over time, people have added land along the water, especially in areas like Lower Manhattan and Battery Park City. The city’s land area is about 321 square miles, but newer estimates say it is around 304.8 square miles. The highest natural point in the city is Todt Hill on Staten Island, rising 409.8 feet above sea level.

Geology

The five parts of New York City sit on different types of rock from eastern North America. Brooklyn and Queens are on Long Island, which is a big pile of dirt and rocks left behind by an ancient glacier. The Bronx and Manhattan sit on an old sunken piece of Earth’s surface called the Newark Basin. Underneath much of Manhattan is a strong type of rock called Manhattan schist. This rock is great for building tall structures, which is why many skyscrapers are found there.

Scientists have studied earthquakes near New York City and found that the risk to tall buildings is a little lower than they thought before.

Adjacent counties

New York

New Jersey

Boroughs

Map of Manhattan, the most densely populated borough of New York City, and the economic, cultural and administrative center of the city.

Main articles: Boroughs of New York City and Neighborhoods in New York City

New York City has five areas called boroughs. Each borough has many different neighborhoods with their own special history and feeling. If each borough were its own city, four of them would be among the biggest cities in the United States.

The Bronx is the northernmost borough. It is where rap and hip hop started, and it is home to Yankee Stadium and Co-op City, the largest housing complex owned by people in the United States. Except for a tiny part of Manhattan called Marble Hill, the Bronx is the only part of New York City that is connected to the mainland of North America.
Brooklyn is the most crowded borough and was its own city until 1898. Brooklyn is famous for its many cultures, art, special neighborhoods, and unique buildings. It also has a long beach and Coney Island, one of the first amusement parks in the country.
Manhattan is the most crowded borough and home to many tall buildings called skyscrapers. It has the main business areas and many places to see. Manhattan is roughly split into downtown, midtown, and uptown.
Queens is the biggest borough by size and the most mixed in terms of people from different backgrounds. It used to be small towns and villages, but now it is mostly homes for families. Queens has Citi Field and used to have Shea Stadium, home of the New York Mets. It also hosts the US Tennis Open every year.
Staten Island is the most like a suburb. It connects to Brooklyn by the Verrazzano–Narrows Bridge and to Manhattan by the Staten Island Ferry. It used to have the world's biggest landfill, but now it is being turned into Freshkills Park, one of the largest city parks in the United States.

Environmental issues

Main article: Environmental issues in New York City

Central Park is nearly twice as big as the world's second-smallest country, Monaco. Historically its reservoirs were important components of the city's water supply.

New York City is very important for green policies because it is so big. Environmental groups work hard to help create laws in New York, as they believe this can influence national programs. The city's large economy gives it the chance to set new standards.

Even though cities like San Francisco or Portland, Oregon are often thought of as leaders in helping the environment, New York City's special layout and many transportation options make it more sustainable than most American cities.

Maps and satellite images

Here are some old maps and pictures of New York City from different times long ago. They show how the city looked in years past, like in 1660, 1770, 1885, 1906, and 1910. There are also modern pictures taken from space, showing things like temperature and plants in the city. One picture from 2002 shows southern Manhattan as it looked from above.