- published: 27 Sep 2011
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Manhattan (/mænˈhætən/) is the most densely populated and the oldest of the five boroughs of New York City. Located primarily on the island of Manhattan at the mouth of the Hudson River, the boundaries of the borough are identical to those of New York County, an original county of the U.S. state of New York. The borough and county consist of Manhattan Island and several small adjacent islands: Roosevelt Island, Randall's Island, Wards Island, Governors Island, Liberty Island, part of Ellis Island,Mill Rock, and U Thant Island; as well as Marble Hill, a very small area on the mainland bordering the Bronx. The original city of New York began at the southern end of Manhattan, expanded northward, and then between 1874 and 1898, annexed land from surrounding counties.
The New York County is the most densely populated county in the United States, and one of the most densely populated areas in the world, with a 2010 population of 1,585,873 living in a land area of 22.96 square miles (59.5 km2), or 69,464 residents per square mile (26,924/km²), more dense than any individual American city. It is also one of the wealthiest counties in the United States, with a 2005 per capita income above $100,000. Manhattan is the third-largest of New York's five boroughs in population, and its smallest borough in land area.
In many jurisdictions in the United States, a District Attorney (DA) is an elected or appointed government official who represents the government in the prosecution of criminal offenses. The district attorney is the highest officeholder in the jurisdiction's legal department and supervises a staff of assistant (ADA) or deputy district attorneys. Similar functions are carried out at the local level in other jurisdictions by officers named the Commonwealth's Attorney, State's Attorney, County Attorney, or County Prosecutor. Depending on the system in place in the particular state or county, district attorneys may be appointed by the chief executive of the region or elected by the people.
Different levels of government in the U.S. operate independently of one another, and people who perform the role of district attorney function differently at the federal, state, and county levels. The proper title for an appointed federal prosecutor at the local level (as opposed to an appointed U.S. Department of Justice prosecutor based in Washington, D.C.) is United States Attorney. Such officers are appointed by the President of the United States, serve under the Attorney General, and prosecute cases in the district courts of the federal government. United States Attorneys, in turn, hire prosecutors to handle the daily affairs of the office; they are known as Assistant United States Attorneys, or AUSAs.