North Carolina has 3 Metropolitan Combined Statistical Areas with a population over 1 million:
The Metrolina including the city of Charlotte, Gastonia and Rock Hill;
the Triangle including Raleigh, Durham and Chapel Hill;
and the Piedmont Triad, including Greensboro Winston-Salem and High Point.
Charlotte and Raleigh have become major urban centers over the last 30 years.
More information about North Carolina on Wikipedia
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