High Quality Content by WIKIPEDIA articles! The geography of New York City is characterized by its coastal position at the meeting of the Hudson River and the Atlantic Ocean in a naturally sheltered harbor. The city`s geography, with its scarce availability of land, is a contributing factor in making New York City the most densely populated city in the United States with a population over 100,000. Environmental issues are chiefly concerned with managing this density, which also explains why New York is among the most energy efficient and least automobile-dependent cities in the United States. The city`s climate is temperate.