Pittsburgh

===Regional identity===
{{Main|Pittsburgh metropolitan area}}
[[File:Muralof300SixthStreetBuilding.jpg|thumb|alt=The Puddler, a glass mural of an iron or steel worker in downtown Pittsburgh|''The Puddler'', a glass mural of an iron or steel worker,<ref>{{cite book|last=Toker|first=Franklin|title=Pittsburgh: A New Portrait|chapter=Chapter 2: Downtown: A Golden Triangle|chapter-url=https://upittpress.org/wp-content/uploads/2019/01/9780822943716exr.pdf|year=2009|publisher=University of Pittsburgh Press|page=77|isbn=978-0-8229-4371-6}}</ref><ref>{{cite web|title=Pittsburgh Art in Public Places: Downtown Walking Tour|edition=Fourth|year=2016|location=Pittsburgh|publisher=Office of Public Art|page=88|url=https://opapgh.org/wp-content/uploads/2020/08/OPA_ArtinPublicPlaces_RetailFirstside.pdf|access-date=August 20, 2023}}</ref> memorializing Pittsburgh's [[industrial heritage]]]]
Pittsburgh falls within the borders of the Northeastern United States as defined by multiple US Government agencies. Pittsburgh is the principal city of the [[Pittsburgh-New Castle-Weirton, PA-OH-WV Combined Statistical Area|Pittsburgh Combined Statistical Area]], a [[combined statistical area]] defined by the [[U.S. Census Bureau]].

Pittsburgh falls within the borders of [[Appalachia]] as defined by the [[Appalachian Regional Commission]], and has long been characterized as the "northern urban industrial anchor of Appalachia."<ref>{{cite book |last1=Scarpaci |first1=Joseph L. |last2=Patrick |first2=Kevin Joseph |title=Pittsburgh and the Appalachians: cultural and natural resources in a postindustrial age |url=https://books.google.com/books?id=9qTdSl2CkzkC|access-date=February 3, 2011 |date=June 28, 2006 |publisher=University of Pittsburgh Pre |isbn=978-0-8229-4282-5}}</ref> In its post-industrial state, Pittsburgh has been characterized as the "Paris of Appalachia",<ref>{{cite book |last=O'Neill |first=Brian |title=The Paris of Appalachia: Pittsburgh in the Twenty-first Century |year=2009 |publisher=[[Carnegie Mellon University Press]] |isbn=978-0-88748-509-1 |url=http://www.goodreads.com/book/show/6868002-the-paris-of-appalachia |access-date=May 17, 2010}}</ref><ref>{{cite news |url=http://www.pittsburghlive.com/x/pittsburghtrib/s_429269.html |title=Steel city an unlikely haven for writers |last=Behe |first=Regis |date=March 3, 2006 |work=[[Pittsburgh Tribune-Review]]|access-date=February 7, 2011|url-status=dead|archive-url=https://web.archive.org/web/20061211072316/http://www.pittsburghlive.com/x/pittsburghtrib/s_429269.html|archive-date=December 11, 2006 }}</ref><ref>{{cite web |url=http://www.dailyfinance.com/2010/12/02/the-11-best-cities-for-telecommuters/ |title=America's 11 Best Cities for Telecommuters |last=Watson |first=Bruce |date=December 2, 2010 |work=DailyFinance|access-date=February 7, 2011|archive-url=https://web.archive.org/web/20120325084344/http://www.dailyfinance.com/2010/12/02/the-11-best-cities-for-telecommuters/|archive-date=March 25, 2012|url-status=dead }}</ref><ref>{{cite news |url=https://www.washingtonpost.com/business/economy/in-the-paris-of-the-appalachians-theyre-not-buying-trumps-climate-talk/2017/06/06/6f3ddd8a-49f9-11e7-bc1b-fddbd8359dee_story.html |title=In Pittsburgh, the 'Paris of the Appalachians,' they're not buying Trump's climate talk |last=Frankel |first=Todd |date=June 6, 2017 |newspaper=[[The Washington Post]] |access-date=May 18, 2019}}</ref> recognizing the city's cultural, educational, healthcare, and technological resources, and is the largest city in Appalachia.