New York metropolitan area eight subregions are often further divided. For instance, Long Island can be divided into its South and North Shores (usually when speaking about Nassau County and western Suffolk County) and the East End. The Hudson Valley and Connecticut are sometimes grouped together and referred to as the Northern Suburbs, largely because of the shared usage of the Metro-North Railroad system. The geographical, cultural, and economic center of the metropolitan area is New York City, which consists of five boroughs, each of which is also a county of New York State. The five boroughs – Brooklyn, Queens, Manhattan, the Bronx, and
Richmond Hill (Manhattan) from the 1820s by Astor as modest brick rowhouses, was also called Richmond Hill, connected to the city through the former water meadow, now drained and filled, as a continuation of Canal Street. Richmond Hill (Manhattan) Richmond Hill was a colonial estate in Manhattan, New York City, that was built on a parcel of the "King's Farm" obtained on a 99-year lease in 1767 from Trinity Church by Major Abraham Mortier, paymaster of the British army in the colony. Part of the site is now the Charlton-King-Vandam Historic District of Manhattan. The house stood southeast of the modern intersection of