26 March 2022 | Author/Destination: North America / Nordamerika | Rubric: General, UNESCO World Heritage
Reading Time: 8 minutesPhiladelphia from South Street Bridge © King of Hearts/cc-by-sa-3.0
Philadelphia (colloquially known simply as
Philly) is the largest city in the
Commonwealth of
Pennsylvania in the
United States. It is the
sixth-most-populous city in the United States and the
most populous city in the state of Pennsylvania, with a 2020 population of 1,603,797. It is also the
second-most populous city in the Northeastern United States, behind
New York City.
Since 1854, the city has had the same geographic boundaries as
Philadelphia County, the most-populous
county in Pennsylvania and the urban core of the eighth-largest
U.S. metropolitan statistical area, with over 6 million residents as of 2017 Philadelphia is also the economic and cultural center of the greater
Delaware Valley along the lower
Delaware and
Schuylkill rivers within the
Northeast megalopolis. The Delaware Valley’s 2019 estimated population of 7.21 million makes it the ninth-largest
combined statistical area in the United States.
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