Bordered by Maryland, West Virginia, Ohio, Lake Erie, New York, New Jersey, and Ontario (Canada), this state is officially known as Commonwealth of Pennsylvania. As of 2010, it was the 5th most populous and the 9th most densely populated state of the U.S.
The rectangular shape of the Middle Atlantic state is home for 67 counties and its capital is Harrisburg. Keystone State is its nickname, as it is located on the center of the Eastern Seaboard, although it does not border the Atlantic Ocean at any point.
Pennsylvania has two metropolitan areas: Philadelphia, which is the state’s largest city, is part of the East Coast belt and the economic and cultural center of Delaware Valley.
Pittsburgh city is on the eastern part of the great industrial region, leading the manufacture of important materials such as glass, petroleum, and aluminum. Pittsburgh is also leader in the computing, electronics, and automotive industries. Nowadays, the city is a hub for health care, education, and technology industries.
The economic activity there is overall based in services and manufacturing. A tiny fraction of employer’s work on primary sectors. Energy resources and transportation are some of the highest points for the state’s production.