The two biggest cities in the Allegheny Plateau are Pittsburgh, Pennsylvania, and Erie, Pennsylvania.
Pittsburgh, known for its rich industrial history, is situated at the confluence of three rivers and has long been a hub for steel production and manufacturing. Its diverse economy now includes sectors such as healthcare, education, and technology, making it a vibrant city with a growing population.
Erie, located along the shores of Lake Erie, is the fourth-largest city in Pennsylvania. It plays a key role in transportation and shipping due to its port and has a mix of manufacturing, healthcare, and education sectors. The city also attracts tourism with its access to the lake and various recreational opportunities.
Overall, both cities contribute significantly to the cultural and economic landscape of the Allegheny Plateau, each offering unique attributes and opportunities for residents and visitors alike.