{{more citations needed|date=January 2018}} {{Use American English|date = September 2019}} {{Use mdy dates|date = September 2019}} {{Infobox settlement | name = Charlanta Megaregion | settlement_type = Megaregion of the United States | image_skyline = {{multiple image | border = infobox | total_width = 300 | perrow = 1 | image1 = Charlotte Skyline 2011 - Ricky W.jpg | image2 = Atlanta Skyline from Buckhead.jpg }} | image_caption = '''Charlotte''' (top) and '''Atlanta''' (bottom) | subdivision_type = Country | subdivision_name = {{USA}} | subdivision_type1 = State(s) | subdivision_name1 = Georgia<br />North Carolina<br />South Carolina | subdivision_type2 = Major Cities | subdivision_name2 = Atlanta<br />Charlotte<br />Greenville | population_total = 22,000,000 | official_name = }}

'''Charlanta''' is one of the Megaregions of the United States, and is part of the Piedmont Atlantic Megaregion. Extending along the I-85 Corridor, the region stretches from Charlotte to Atlanta. With more than $1 trillion in economic output, it is considered one of the 12 regional powerhouses that drive the economy of the United States.<ref>{{Cite web|url=https://www.bizjournals.com/charlotte/blog/morning-edition/2014/03/char-lanta-among-nations-12-regional-powerhouses.html|title='Char-lanta' among nation's 12 regional powerhouses driving the U.S. economy|first=Rebecca|last=Troyer|newspaper=Charlotte Business Journal|date=March 13, 2014 |access-date=2017-10-16}}</ref><ref name="CityLab 2014">{{Cite web |last=Florida |first=Richard |date=March 12, 2014 |title=The Dozen Regional Powerhouses Driving the U.S. Economy |url=http://www.theatlanticcities.com/jobs-and-economy/2014/03/dozen-regional-powerhouses-driving-us-economy/8575/ |access-date=2019-06-08 |website=CityLab |archive-url=https://web.archive.org/web/20140415192726/http://www.theatlanticcities.com/jobs-and-economy/2014/03/dozen-regional-powerhouses-driving-us-economy/8575/ |archive-date=April 15, 2014 |language=en}}</ref> Based on projections, this region's urban areas will "expand 165%, from 17,800&nbsp;km<sup>2</sup> in 2009 to 47,500&nbsp;km<sup>2</sup> in 2060,"<ref name="Collazo">{{Cite journal|last1=Collazo|first1=Jaime A.|last2=McKerrow|first2=Alexa|last3=Dunn|first3=Robert R.|last4=Belyea|first4=Curtis|last5=Costanza|first5=Jennifer|last6=Terando|first6=Adam J.|date=2014-07-23|title=The Southern Megalopolis: Using the Past to Predict the Future of Urban Sprawl in the Southeast U.S|journal=PLOS ONE|language=en|volume=9|issue=7|article-number=e102261|doi=10.1371/journal.pone.0102261|pmid=25054329|issn=1932-6203|pmc=4108351|bibcode=2014PLoSO...9j2261T |doi-access=free}}</ref> ultimately connecting the urban sprawl of Atlanta and Charlotte.<ref>{{Cite web|url=https://www.atlantamagazine.com/news-culture-articles/behold-the-sprawl-of-2060-when-atlanta-and-charlotte-finally-converge/|title=Behold the sprawl of 2060, when Atlanta and Charlotte finally converge|last=Burns|first=Rebecca|date=2014-07-25|website=Atlanta Magazine|language=en-US|access-date=2019-05-29}}</ref> Researchers have expressed concern that this urban development will create a warmer climate along the corridor and increase flood risks in the region.<ref name="Collazo" /><ref>{{Cite journal|last1=Debbage|first1=Neil|last2=Shepherd|first2=J. M.|date=2018|title=The Influence of Urban Development Patterns on Streamflow Characteristics in the Charlanta Megaregion|journal=Water Resources Research|language=en|volume=54|issue=5|pages=3728–3747|doi=10.1029/2017WR021594|bibcode=2018WRR....54.3728D |issn=1944-7973|doi-access=free}}</ref>

<br /> {| class="wikitable" style="text-align:right;left:90px" |- ! Rank !! align=center |Primary statistical area !! Anchor city!!Population (2020 Census) !! State(s) |- | 1 ||align=left | Atlanta–Athens-Clarke County–Sandy Springs || Atlanta || '''6,930,423'''|| GA |- | 2 ||align=left | Charlotte–Concord–Gastonia || Charlotte || '''2,846,550''' || NC / SC |- | 3 ||align=left | Greenville–Spartanburg–Anderson || Greenville || '''1,487,610''' || SC |}

==References== {{Reflist}}

Category:Geography of Atlanta Category:Geography of Charlotte, North Carolina Category:Geography of Greenville, South Carolina Category:Megapolitan areas of the United States