Greensboro (IPA: /ˈɡriːnzbɜroʊ/ or /ˈɡriːnzbʌroʊ/) is a city in the U.S. state of North Carolina. It is the thir-largest city, by population, in North Carolina and the largest city in Guilford County and the surrounding Piedmont Triad metropolitan region. As of the 2000 census, Greensboro was home to 223,891 residents. Its estimated 2007 population was 244,610.