Pittsburgh (/ˈpɪtsbɜːrɡ/ PITS-burg) is a city in the Commonwealth of Pennsylvania in the United States, and is the county seat of Allegheny County. As of 2018, a population of 308,144 lives within the city limits, making it the 63rd-largest city in the U.S. The metropolitan population of 2,362,453, is the largest in both the Ohio Valley and Appalachia, the second-largest in Pennsylvania (behind Philadelphia), and the 26th-largest in the U.S.
Pittsburgh is located in the south west of the state, at the confluence of the Allegheny, Monongahela, and Ohio rivers. Pittsburgh is known both as "the ...
Source: Wikipedia (as of 04/11/2019). Read more from Wikipedia