Bethlehem.
Pittsburgh is a city, the second-largest in the U.S. state of Pennsylvania. The largest city in Pennsylvania is Philadelphia.
The largest city in PA (Pennsylvania) is Philadelphia.
The 6th largest city in Canada is Mississauga.
Philadelphia
Pennsylvania is a state in the United States, not a country. The largest city in Pennsylvania by population is Philadelphia.
Pittsburgh.
Philadelphia
Philadelphia.
harrisburgh
York
No, that would be Philadelphia.
Philadelphia is in the state of Pennsylvania which is in the country of U.S.A.