Erie, Pennsylvania: Erie () is a city located in northwestern Pennsylvania in the United States. Named for the lake and the Native American tribe that resided along its southern shore, Erie is the state\'s fourth-largest city (after Philadelphia, Pittsburgh and Allentown), with a population of 102,000. Erie\'s Metropolitan Area consists of approximately 280,000 residents and an Urbanized Area population of approximately 195,000. The city is the seat of government for Erie County.