Pittsburgh (/ ˈ p ɪ t s b ɜːr ɡ / PITS-burg) is a city in and the county seat of Allegheny County, Pennsylvania, United States.It is the second-most populous city in Pennsylvania, after Philadelphia, and the 68th-most populous city in the U.S., with a population of 302,971 as of the 2020 census. More @Wikipedia
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