New York County, NY
History
New York County was one of the original 12 counties created on 1 Nov 1683. It is basically comprised of the Island of Manhattan.European settlement began with the establishment of a trading post founded by Dutch colonists in 1624 on lower Manhattan Island; the post was named New Amsterdam in 1626. The territory and its surroundings came under English control in 1664 and were renamed New York after King Charles II of England granted the lands to his brother, the Duke of York. New York, based in present-day Manhattan, served as the capital of the United States from 1785 until 1790.
Source: Wikipedia
Modern Day Adjacent Counties
Bronx County - northQueens County - east
Kings County - south
Richmond County - southwest
Hudson County - west
Bergen County - northwest