Pittsburgh

Pittsburgh () is the seicont-lairgest ceety in the U.S. Commonweel o Pennsylvanie an the coonty seat o Allegheny Coonty. Regionally, it anchors the lairgest urban aurie o Appalachie an the Ohio River Valley, an naitionally, it is the 22nt-lairgest urban aurie in the Unitit States. The estimatit population o the ceety in 2009 wis 311,647, while the seiven-coonty metropolitan aurie wis estimatit at 2,354,957. Dountoun Pittsburgh retains substantial economic influence, rankin at 25t in the naition for jobs athin the urban core an 6t in job density. The characteristic shape o Pittsburgh's central business destrict is a triangular tract carved bi the confluence o the Allegheny an Monongahela rivers, which form the Ohio River. The ceety features 151 heich-rise biggins, 446 brigs, twa inclined railways, an a pre-revolutionary fortification. Pittsburgh is kent colloquially as "The Ceety o Brigs" an "The Steel Ceety" for its mony brigs an umwhile steel manufacturin base.

Sister ceeties
Pittsburgh haes seiventeen sister ceeties:"Sister Cities Online Directory: Pennsylvania, USA." Sister Cities International. Retrieved on January 26, 2008.

  Bilbao, Spain
  Charleroi, Belgium
  Da Nang, Vietnam
  Donetsk, Ukraine
  Fernando de la Mora, Paraguay
  Karmiel, Israel
  Matanzas, Cuba
  Misgav, Israel
  Ostrava, Czech Republic
  Prešov, Slovakie
  Novokuznetsk, Roushie

  Terrassa, Spain
  Saarbrücken, Germany
  Saitama (Omiya-ku, Umwhile Omiya ceetyOmiya city home page archive), Japan
  San Isidro, Nicaragua
  Sheffield, Unitit Kinrick
  Skopje, Macedonie
  Sofia, Bulgarie
  Wuhan, Fowkrepublic o Cheenae
  Terrassa, Spain
  Zagreb, Croatie
  Rijeka, Croatie
  Melbourne, Australie

References

Category:Pittsburgh
Category:Pittsburgh metropolitan aurie
Category:Ceeties in Pennsylvanie
Category:Populatit places on the Ohio River
Category:Populatit places established in 1758
Category:1794 establishments
Category:Coonty seats in Pennsylvanie
Category:Port dounsets in the Unitit States
Category:Early American industrial centres
Category:Populatit places in Allegheny Coonty