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There are 67 counties in Pennsylvania State,details are as follows: Adams County. Allegheny County. Armstrong County. Berks County.What cities are in PA?
The capital city of Pennsylvania is Harrisburg. However, the largest city is Philadelphia; other important cities are Pittsburgh, Allentown, and Erie. Pennsylvania is one of the industrial states that homes some of the top companies of the world enlisted in Fortune 500 companies e.g.