Lancaster (, locally ; Pennsylvania German: Lengeschder) is a city located in South Central Pennsylvania which serves as the seat of Pennsylvania's Lancaster County and one of the oldest inland towns in the United States, (along with Springfield, Massachusetts; Petersburg, Virginia; Schenectady, New York, and several other early settlements). With a population of 59,322, it ranks eighth in population among Pennsylvania's cities. The Lancaster metropolitan area population is 507,766, making it the 101st largest metropolitan area in the US and 2nd largest in the South Central Pennsylvania area.
The city's primary industries include healthcare, tourism, public administration, manufacturing, both professional and semi-professional services, and home of the Park City Center shopping mall, the largest indoor retail facility in the region. Lancaster hosts more electronic public CCTV outdoor cameras per capita than cities such as Boston or San Francisco, despite controversy among residents. Lancaster was home to James Buchanan, the nation's 15th president, and to congressman and abolitionist Thaddeus Stevens.