Greensboro (formerly Greensborough) is a city in the U.S. state of North Carolina. It is the third-largest city by population in North Carolina and the county seat and largest city in Guilford County and the surrounding Piedmont Triad metropolitan region. According to the 2012 U.S. Census Estimate, Greensboro’s population is 277,080. Three major interstate highways (Interstate 85, Interstate 40 and Interstate 73) in the Piedmont region of central North Carolina were built to intersect at this city.
In 2003, the previous Greensboro – Winston-Salem – High Point metropolitan statistical area (MSA) was re-defined by the U.S. Office of Management and Budget. This region was separated into the Greensboro-High Point MSA and the Winston-Salem MSA. The 2010 population for the Greensboro-High Point MSA was 723,801. The combined statistical area (CSA) of Greensboro–Winston-Salem–High Point, popularly referred to as the Piedmont Triad, had a population of 1,599,477.